Physics

Authors and titles for March 2016

[801] arXiv:1603.01400 (cross-list from nlin.PS) [pdf, other]

Title: Phase solitons and domain dynamics in an optically injected semiconductor laser

F. Gustave, L. Columbo, G. Tissoni, M. Brambilla, F. Prati, S. Barland

Comments: 10 pages, 12 figures

Journal-ref: Phys. Rev. A 93, 063824 (2016)

Subjects: Pattern Formation and Solitons (nlin.PS); Optics (physics.optics)

[802] arXiv:1603.01408 (cross-list from q-bio.PE) [pdf, other]

Title: Positive and negative effects of social impact on evolutionary vaccination game in networks

Genki Ichinose, Takehiro Kurisaku

Comments: 7 pages, 4 figures

Journal-ref: Physica A 468, pp. 84-90, 2017

Subjects: Populations and Evolution (q-bio.PE); Physics and Society (physics.soc-ph)

[803] arXiv:1603.01469 (cross-list from math.NA) [pdf, other]

Title: On the Numerical Solution of the Far Field Refractor Problem

Roberto De Leo, Cristian E. Gutiérrez, Henok Mawi

Comments: 28 pages, 9 figures, sofware and graphical results at this http URL}{this http URL

Subjects: Numerical Analysis (math.NA); Optics (physics.optics)

[804] arXiv:1603.01504 (cross-list from cond-mat.mtrl-sci) [pdf, other]

Title: Rungs 1 to 4 of DFT Jacob's ladder: extensive test on the lattice constant, bulk modulus, and cohesive energy of solids

Fabien Tran, Julia Stelzl, Peter Blaha

Journal-ref: J. Chem. Phys. 144, 204120 (2016)

Subjects: Materials Science (cond-mat.mtrl-sci); Chemical Physics (physics.chem-ph)

[805] arXiv:1603.01511 (cross-list from cs.SI) [pdf, other]

Title: Hoaxy: A Platform for Tracking Online Misinformation

Chengcheng Shao, Giovanni Luca Ciampaglia, Alessandro Flammini, Filippo Menczer

Comments: 6 pages, 6 figures, submitted to Third Workshop on Social News On the Web

Subjects: Social and Information Networks (cs.SI); Physics and Society (physics.soc-ph)

[806] arXiv:1603.01518 (cross-list from quant-ph) [pdf, other]

Title: Rotating effects on the Landau quantization for an atom with a magnetic quadrupole moment

I. C. Fonseca, K. Bakke

Journal-ref: J. Chem. Phys. 144, 014308 (2016)

Subjects: Quantum Physics (quant-ph); Atomic Physics (physics.atom-ph); Chemical Physics (physics.chem-ph)

[807] arXiv:1603.01570 (cross-list from cs.SI) [pdf, other]

Title: Coordination Event Detection and Initiator Identification in Time Series Data

Chainarong Amornbunchornvej, Ivan Brugere, Ariana Strandburg-Peshkin, Damien Farine, Margaret C. Crofoot, Tanya Y. Berger-Wolf

Comments: This is the final peer-reviewed version before publishing of the previous pre-print entitled "FLICA: A Framework for Leader Identification in Coordinated Activity"

Journal-ref: ACM Transactions on Knowledge Discovery from Data (TKDD), 12(5), 53 (2018)

Subjects: Social and Information Networks (cs.SI); Artificial Intelligence (cs.AI); Multiagent Systems (cs.MA); Econometrics (econ.EM); Data Analysis, Statistics and Probability (physics.data-an)

[808] arXiv:1603.01574 (cross-list from quant-ph) [pdf, other]

Title: Back to Parmenides

Henrique de A. Gomes

Comments: 25 pages, 1 figure. Winner of the essay contest: "Space-time after quantum gravity" (University of Illinois and Université de Geneve). To be published in special edition

Subjects: Quantum Physics (quant-ph); General Relativity and Quantum Cosmology (gr-qc); History and Philosophy of Physics (physics.hist-ph)

[809] arXiv:1603.01576 (cross-list from hep-lat) [pdf, other]

Title: Quark Contraction Tool -- QCT

Dalibor Djukanovic

Comments: version accepted for publication in Computer Physics Communications

Journal-ref: Computer Physics Communications, Volume 247, 2020, 106950

Subjects: High Energy Physics - Lattice (hep-lat); Computational Physics (physics.comp-ph)

[810] arXiv:1603.01605 (cross-list from cond-mat.mes-hall) [pdf, other]

Title: Dissipation engineering of high-stress silicon nitride nanobeams

A. H. Ghadimi, D. J. Wilson, T. J. Kippenberg

Comments: 9 pages, 9 figures

Subjects: Mesoscale and Nanoscale Physics (cond-mat.mes-hall); Optics (physics.optics); Quantum Physics (quant-ph)

[811] arXiv:1603.01677 (cross-list from math.AP) [pdf, other]

Title: Characteristic Initial Value Problem for Spherically Symmetric Barotropic Flow

André Lisibach

Subjects: Analysis of PDEs (math.AP); Fluid Dynamics (physics.flu-dyn)

[812] arXiv:1603.01714 (cross-list from cond-mat.mtrl-sci) [pdf, other]

Title: Enhancement of the spin transfer torque efficiency in magnetic STM junctions

Krisztián Palotás, Gábor Mándi, László Szunyogh

Comments: 29 pages manuscript, 6 figures, 1 table, accepted in PRB

Journal-ref: Phys. Rev. B 94, 064434 (2016)

Subjects: Materials Science (cond-mat.mtrl-sci); Mesoscale and Nanoscale Physics (cond-mat.mes-hall); Computational Physics (physics.comp-ph)

[813] arXiv:1603.01730 (cross-list from cond-mat.mes-hall) [pdf, other]

Title: Electron correlations and silicon nanocluster energetics

N.L. Matsko, Yu.A. Uspenskii, E.V. Tikhonov, V.S. Baturin, S.V. Lepeshkin

Comments: 19 pages, 6 figures

Journal-ref: The Journal of Chemical Physics 145, 074313 (2016)

Subjects: Mesoscale and Nanoscale Physics (cond-mat.mes-hall); Chemical Physics (physics.chem-ph)

[814] arXiv:1603.01739 (cross-list from cs.CV) [pdf, other]

Title: Grading of Mammalian Cumulus Oocyte Complexes using Machine Learning for in Vitro Embryo Culture

Viswanath P Sudarshan, Tobias Weiser, Phalgun Chintala, Subhamoy Mandal, Rahul Dutta

Comments: IEEE BHI 2016

Subjects: Computer Vision and Pattern Recognition (cs.CV); Image and Video Processing (eess.IV); Medical Physics (physics.med-ph)

[815] arXiv:1603.01812 (cross-list from cond-mat.mes-hall) [pdf, other]

Title: Remote plasmon--induced heat transfer probed by the electronic transport of a gold nanowire

M.-M. Mennemanteuil, M. Buret, N. Cazier, G. Colas-Des-Francs, M. Besbes, P. Ben-Abdallah, A. Bouhelier

Comments: 9 figures

Journal-ref: Phys. Rev. B 94, 035413 (2016)

Subjects: Mesoscale and Nanoscale Physics (cond-mat.mes-hall); Optics (physics.optics)

[816] arXiv:1603.01876 (cross-list from cs.PF) [pdf, other]

Title: PageRank Pipeline Benchmark: Proposal for a Holistic System Benchmark for Big-Data Platforms

Patrick Dreher, Chansup Byun, Chris Hill, Vijay Gadepally, Bradley Kuszmaul, Jeremy Kepner

Comments: 9 pages, 7 figures, to appear in IPDPS 2016 Graph Algorithms Building Blocks (GABB) workshop

Subjects: Performance (cs.PF); Instrumentation and Methods for Astrophysics (astro-ph.IM); Distributed, Parallel, and Cluster Computing (cs.DC); Data Analysis, Statistics and Probability (physics.data-an)

[817] arXiv:1603.01923 (cross-list from astro-ph.SR) [pdf, other]

Title: Cyclotron maser emission from power-law electrons with strong pitch-angle anisotropy

G. Q. Zhao, H. Q. Feng, D. J. Wu, L. Chen, J. F. Tang, Q. Liu

Comments: 25 pages, 5 figures, accepted for publication in ApJ

Subjects: Solar and Stellar Astrophysics (astro-ph.SR); High Energy Astrophysical Phenomena (astro-ph.HE); Plasma Physics (physics.plasm-ph); Space Physics (physics.space-ph)

[818] arXiv:1603.01939 (cross-list from q-bio.QM) [pdf, other]

Title: A graph theoretic approach for modelling wildlife corridors

Saurabh Shanu, Jobin Idiculla, Qamar Qureshi, Yadvendradev Jhala, Sudeepto Bhattacharya

Comments: 32 pages including title page, 10 figures, 1 table

Subjects: Quantitative Methods (q-bio.QM); Physics and Society (physics.soc-ph)

[819] arXiv:1603.01950 (cross-list from astro-ph.HE) [pdf, other]

Title: Possible role of magnetic reconnection in the electromagnetic counterpart of binary black hole merger

F. Fraschetti

Comments: 8 pages; 1 figure. JCAP, in press

Subjects: High Energy Astrophysical Phenomena (astro-ph.HE); Cosmology and Nongalactic Astrophysics (astro-ph.CO); General Relativity and Quantum Cosmology (gr-qc); Plasma Physics (physics.plasm-ph)

[820] arXiv:1603.01966 (cross-list from cond-mat.mes-hall) [pdf, other]

Title: Electronic transport in single-helical protein molecules: Effects of multiple charge conduction pathways and helical symmetry

Sourav Kundu, S. N. Karmakar

Comments: Six pages, four figures

Journal-ref: Physics Letters A 380, 2395 (2016)

Subjects: Mesoscale and Nanoscale Physics (cond-mat.mes-hall); Biological Physics (physics.bio-ph)

[821] arXiv:1603.01990 (cross-list from cond-mat.mtrl-sci) [pdf, other]

Title: Perspective: How good is DFT for water?

M. J. Gillan, D. Alfè, A. Michaelides

Subjects: Materials Science (cond-mat.mtrl-sci); Chemical Physics (physics.chem-ph)

[822] arXiv:1603.02022 (cross-list from cond-mat.mtrl-sci) [pdf, other]

Title: Pressure tuning the lattice and optical response of silver sulfide

Zhao Zhao, Hua Wei, Wendy L. Mao

Comments: Published in Applied Physics Letters

Journal-ref: Appl. Phys. Lett. 108, 261902 (2016)

Subjects: Materials Science (cond-mat.mtrl-sci); Optics (physics.optics)

[823] arXiv:1603.02029 (cross-list from quant-ph) [pdf, other]

Title: Encoding M classical bits in the arrival time of dense-coded photons

Salem F. Hegazy, Ahmed E. Morra, Salah S. A. Obayya

Comments: SPIE 2016

Subjects: Quantum Physics (quant-ph); Optics (physics.optics)

[824] arXiv:1603.02045 (cross-list from quant-ph) [pdf, other]

Title: Accurate relative-phase and time-delay maps all over the emission cone of hyperentangled photon source

Salem F. Hegazy, Jala El-Azab, Yehia A. Badr, Salah S. A. Obayya

Subjects: Quantum Physics (quant-ph); Optics (physics.optics)

[825] arXiv:1603.02047 (cross-list from cond-mat.mes-hall) [pdf, other]

Title: Ordering and order-disorder phase transition in the (1x1) monolayer chemisorbed on the (111) face of an fcc crystal

A. Patrykiejew, T. Staszewski

Comments: 15 pages, 15 figures

Journal-ref: Condens. Matter Phys., 2016, vol. 19, No. 1, 13001

Subjects: Mesoscale and Nanoscale Physics (cond-mat.mes-hall); Chemical Physics (physics.chem-ph)

[826] arXiv:1603.02052 (cross-list from gr-qc) [pdf, other]

Title: Constraining the Schwarzschild-de Sitter Solution in Models of Modified Gravity

Lorenzo Iorio, Matteo Luca Ruggiero, Ninfa Radicella, Emmanuel N. Saridakis

Comments: LaTex2e, 29 pages, no tables, 1 figure, 135 references. Accepted for publication in Physics of the Dark Universe (Phys. Dark Univ.). arXiv admin note: text overlap with arXiv:1010.1846 by other authors

Journal-ref: Phys. Dark Univ. 13 (2016) pp. 111-120

Subjects: General Relativity and Quantum Cosmology (gr-qc); Earth and Planetary Astrophysics (astro-ph.EP); High Energy Physics - Phenomenology (hep-ph); Space Physics (physics.space-ph)

[827] arXiv:1603.02071 (cross-list from quant-ph) [pdf, other]

Title: A new technique for ultra-fast physical random number generation using optical chaos

Amr Elsonbaty, Salem F. Hegazy, Salah S. A. Obayyaa

Subjects: Quantum Physics (quant-ph); Optics (physics.optics)

[828] arXiv:1603.02082 (cross-list from quant-ph) [pdf, other]

Title: Realising a quantum absorption refrigerator with an atom-cavity system

Mark T. Mitchison, Marcus Huber, Javier Prior, Mischa P. Woods, Martin B. Plenio

Comments: 13+4 pages. Updated to published version, replacing a previous submission titled "Autonomous quantum thermal machines in atom-cavity systems"

Journal-ref: Quantum Science and Technology 1, 015001 (2016)

Subjects: Quantum Physics (quant-ph); Statistical Mechanics (cond-mat.stat-mech); Atomic Physics (physics.atom-ph)

[829] arXiv:1603.02106 (cross-list from cs.IT) [pdf, other]

Title: Carrier Phase Estimation in Dispersion-Unmanaged Optical Transmission Systems

Tianhua Xu, Polina Bayvel, Tiegen Liu, Yimo Zhang, Gunnar Jacobsen, Jie Li, Sergei Popov

Journal-ref: IEEE Advanced Information Technology, Electronic and Automation Control Conference (IAEAC) 2017, Invited Paper

Subjects: Information Theory (cs.IT); Classical Physics (physics.class-ph); Optics (physics.optics)

[830] arXiv:1603.02132 (cross-list from cond-mat.mtrl-sci) [pdf, other]

Title: Plasmonic Films Can Easily Be Better: Rules and Recipes

Kevin M. McPeak, Sriharsha V. Jayanti, Stephan J. P. Kress, Stefan Meyer, Stelio Iotti, Aurelio Rossinelli, David J. Norris

Comments: Optical Materials Engineering Laboratory, ETH Zurich, 8092 Zurich, Switzerland

Journal-ref: ACS Photonics, 2015, 2 (3), pp 326-333

Subjects: Materials Science (cond-mat.mtrl-sci); Optics (physics.optics)

[831] arXiv:1603.02168 (cross-list from cond-mat.soft) [pdf, other]

Title: Computational studies on the behaviour of anionic and nonionic surfactants at the SiO$_{2}$ (silicon dioxide)/water interface

E. Núñez-Rojas, H. Dominguez

Comments: 8 pages, 6 fiigures

Journal-ref: Condens. Matter Phys., 2016, vol. 19, No. 1, 13602

Subjects: Soft Condensed Matter (cond-mat.soft); Mesoscale and Nanoscale Physics (cond-mat.mes-hall); Chemical Physics (physics.chem-ph)

[832] arXiv:1603.02169 (cross-list from cond-mat.mes-hall) [pdf, other]

Title: Long-term mutual phase locking of picosecond pulse pairs generated by a semiconductor nanowire laser

B. Mayer, A. Regler, S. Sterzl, T. Stettner, G. Koblmüller, M. Kaniber, B. Lingnau, K. Lüdge, J. J. Finley

Subjects: Mesoscale and Nanoscale Physics (cond-mat.mes-hall); Optics (physics.optics)

[833] arXiv:1603.02197 (cross-list from nlin.CD) [pdf, other]

Title: Inelastic collapse and near-wall localization of randomly accelerated particles

S. Belan, A. Chernykh, V. Lebedev, G. Falkovich

Comments: 5 pages, 2 figures

Subjects: Chaotic Dynamics (nlin.CD); Mathematical Physics (math-ph); Fluid Dynamics (physics.flu-dyn)

[834] arXiv:1603.02234 (cross-list from nlin.CD) [pdf, other]

Title: Reynolds number effects on mixing due to topological chaos

Spencer A. Smith, Sangeeta Warrier

Comments: 10 pages, 9 figures

Journal-ref: "Reynolds number effects on mixing due to topological chaos," Chaos 26, 033106 (2016)

Subjects: Chaotic Dynamics (nlin.CD); Mathematical Physics (math-ph); Dynamical Systems (math.DS); Computational Physics (physics.comp-ph); Fluid Dynamics (physics.flu-dyn)

[835] arXiv:1603.02287 (cross-list from cond-mat.str-el) [pdf, other]

Title: Fermi-liquid behavior and thermal conductivity of {\epsilon}-iron at Earth's core conditions

L. V. Pourovskii, J. Mravlje, A. Georges, S.I. Simak, I. A. Abrikosov

Journal-ref: New J. Phys. 19, 073022 ( 2017 )

Subjects: Strongly Correlated Electrons (cond-mat.str-el); Geophysics (physics.geo-ph)

[836] arXiv:1603.02305 (cross-list from cond-mat.mtrl-sci) [pdf, other]

Title: Quantum Emission from Defects in Single Crystal Hexagonal Boron Nitride

Toan Trong Tran, Cameron Zachreson, Amanuel Michael Berhane, Kerem Bray, Russell Guy Sandstrom, Lu Hua Li, Takashi Taniguchi, Kenji Watanabe, Igor Aharonovich, Milos Toth

Comments: In press in Physical Review Applied

Subjects: Materials Science (cond-mat.mtrl-sci); Optics (physics.optics)

[837] arXiv:1603.02374 (cross-list from astro-ph.SR) [pdf, other]

Title: "Unusual Rainbow and White Rainbow" A new auroral candidate in oriental historical sources

Hisashi Hayakawa, Hiroaki Isobe, Akito Davis Kawamura, Harufumi Tamazawa, Hiroko Miyahara, Ryuho Kataoka

Comments: Accepted by Publ. Astron. Soc. Japan

Subjects: Solar and Stellar Astrophysics (astro-ph.SR); History and Philosophy of Physics (physics.hist-ph); Space Physics (physics.space-ph)

[838] arXiv:1603.02394 (cross-list from cond-mat.mes-hall) [pdf, other]

Title: Quantum many-body simulation using monolayer exciton-polaritons in coupled-cavities

Hai-Xiao Wang, Alan Zhan, Ya-Dong Xu, Huan-Yang Chen, Wen-Long You, Arka Majumdar, Jian-Hua Jiang

Journal-ref: J. Phys.: Condens. Matter 29, 445703 (2017)

Subjects: Mesoscale and Nanoscale Physics (cond-mat.mes-hall); Optics (physics.optics)

[839] arXiv:1603.02413 (cross-list from cs.SI) [pdf, other]

Title: Dynamic Clustering in Social Networks using Louvain and Infomap Method

Pascal Held, Benjamin Krause, Rudolf Kruse

Subjects: Social and Information Networks (cs.SI); Physics and Society (physics.soc-ph)

[840] arXiv:1603.02544 (cross-list from astro-ph.EP) [pdf, other]

Title: Nonlinear hydrodynamical evolution of eccentric Keplerian discs in two dimensions: validation of secular theory

Adrian J. Barker, Gordon I. Ogilvie

Comments: 14 pages, 12 figures, 1 table, accepted for publication in MNRAS (2016 March 08)

Subjects: Earth and Planetary Astrophysics (astro-ph.EP); High Energy Astrophysical Phenomena (astro-ph.HE); Solar and Stellar Astrophysics (astro-ph.SR); Fluid Dynamics (physics.flu-dyn)

[841] arXiv:1603.02619 (cross-list from cond-mat.mtrl-sci) [pdf, other]

Title: Band Alignment of 2D Semiconductors for Designing Heterostructures with Momentum Space Matching

V. Ongun Özçelik, Javad G. Azadani, Ce Yang, Steven J. Koester, Tony Low

Journal-ref: Phys. Rev. B 94, 035125, 2016

Subjects: Materials Science (cond-mat.mtrl-sci); Mesoscale and Nanoscale Physics (cond-mat.mes-hall); Computational Physics (physics.comp-ph)

[842] arXiv:1603.02620 (cross-list from q-bio.MN) [pdf, other]

Title: Noise control in gene regulatory networks with negative feedback

Michael Hinczewski, D. Thirumalai

Comments: 20 pages, 7 figures

Subjects: Molecular Networks (q-bio.MN); Statistical Mechanics (cond-mat.stat-mech); Biological Physics (physics.bio-ph)

[843] arXiv:1603.02662 (cross-list from cond-mat.quant-gas) [pdf, other]

Title: CONAN -- the cruncher of local exchange coefficients for strongly interacting confined systems in one dimension

N. J. S. Loft, L. B. Kristensen, A. E. Thomsen, A. G. Volosniev, N. T. Zinner

Comments: 16 pages, 3 figures, 4 technical appendices, revised version with updated examples and appendices. Source code and compiled versions of CONAN can be found at this http URL

Journal-ref: Computer Physics Communications 209 (2016) 171-182

Subjects: Quantum Gases (cond-mat.quant-gas); Mesoscale and Nanoscale Physics (cond-mat.mes-hall); Computational Physics (physics.comp-ph); Quantum Physics (quant-ph)

[844] arXiv:1603.02686 (cross-list from cond-mat.str-el) [pdf, other]

Title: A deterministic alternative to the full configuration interaction quantum Monte Carlo method

Norm M. Tubman, Joonho Lee, Tyler Y. Takeshita, Martin Head-Gordon, K. Birgitta Whaley

Comments: 4 pages, 2 figures

Journal-ref: J. Chem. Phys. 145, 044112 (2016)

Subjects: Strongly Correlated Electrons (cond-mat.str-el); Chemical Physics (physics.chem-ph); Quantum Physics (quant-ph)

[845] arXiv:1603.02703 (cross-list from astro-ph.GA) [pdf, other]

Title: Methylacetylene (CH3CCH) and propene (C3H6) formation in cold dense clouds: a case of dust grain chemistry

Kevin M. Hickson, Valentine Wakelam, Jean-Christophe Loison

Subjects: Astrophysics of Galaxies (astro-ph.GA); Chemical Physics (physics.chem-ph)

[846] arXiv:1603.02746 (cross-list from gr-qc) [pdf, other]

Title: The imprint of the analogue Hawking effect in subcritical flows

Antonin Coutant, Silke Weinfurtner

Comments: 35 pages, 10 figures. V2: few typo corrected and references added

Journal-ref: Phys. Rev. D 94, 064026 (2016)

Subjects: General Relativity and Quantum Cosmology (gr-qc); Fluid Dynamics (physics.flu-dyn)

[847] arXiv:1603.02771 (cross-list from quant-ph) [pdf, other]

Title: Atom-atom interactions around the band edge of a photonic crystal waveguide

J. D. Hood, A. Goban, A. Asenjo-Garcia, M. Lu, S.-P. Yu, D. E. Chang, H. J. Kimble

Journal-ref: PNAS 113, 10507-10512 (2016)

Subjects: Quantum Physics (quant-ph); Atomic Physics (physics.atom-ph); Optics (physics.optics)

[848] arXiv:1603.02833 (cross-list from quant-ph) [pdf, other]

Title: Eigenstate Thermalization Hypothesis and Quantum Jarzynski Relation for Pure Initial States

F. Jin, R. Steinigeweg, H. De Raedt, K. Michielsen, M. Campisi, J. Gemmer

Comments: 9 pages, 7 figures

Journal-ref: Phys. Rev. E 94, 012125 (2016)

Subjects: Quantum Physics (quant-ph); Statistical Mechanics (cond-mat.stat-mech); Strongly Correlated Electrons (cond-mat.str-el); Computational Physics (physics.comp-ph)

[849] arXiv:1603.02862 (cross-list from quant-ph) [pdf, other]

Title: Is the World Local or Nonlocal? Towards an Emergent Quantum Mechanics in the 21st Century

Jan Walleczek, Gerhard Groessing

Comments: 10 pages, 3 figures; talk presented at the 3rd international symposium on "Emergent Quantum Mechanics" (Vienna, Austria, 23-25 October, 2015), this URL this http URL To be published in J. Phys.: Conf. Ser. (2016)

Journal-ref: J. Phys.: Conf. Ser. (2016) 701 012001

Subjects: Quantum Physics (quant-ph); History and Philosophy of Physics (physics.hist-ph)

[850] arXiv:1603.02879 (cross-list from cond-mat.supr-con) [pdf, other]

Title: Theoretical modeling of critical temperature increase in metamaterial superconductors

Igor I. Smolyaninov, Vera N. Smolyaninova

Comments: 23 pages, 4 figures, this version has been accepted for publication in Phys. Rev. B

Journal-ref: Phys. Rev. B 93, 184510 (2016)

Subjects: Superconductivity (cond-mat.supr-con); Optics (physics.optics)