Modern Physics Letters A, ISSN 0217-7323, 10/2019, p. 2050019

ISIM(2) symmetry group of Cohen and Glashow’s very special relativity is unstable with respect to small deformations of its underlying algebraic structure, and...

Journal Article

European Journal of Physics, ISSN 0143-0807, 01/2020, Volume 41, Issue 1, p. 15601

Eur. J. Phys. 41 (2020), 015601 We consider a problem of finding the maximum attainable energy at a cyclotron as an exercise in the introductory relativity...

Physics - Classical Physics

Physics - Classical Physics

Journal Article

Physics Letters A, ISSN 0375-9601, 08/2017, Volume 381, Issue 32, pp. 2593 - 2597

We comment on the Friedmann and Hagen's quantum mechanical derivation of the Wallis formula for . In particular, we demonstrate that not only the Gaussian...

Wallis formula | Variational methods in quantum mechanics

Wallis formula | Variational methods in quantum mechanics

Journal Article

Physics Letters A, ISSN 0375-9601, 10/2019, Volume 383, Issue 30, p. 125874

Ulmer and Kaissl formulas for the deconvolution of one-dimensional Gaussian kernels are generalized to the three-dimensional case. The generalization is based...

Deconvolution | Gaussian kernels | Hermite polynomials | Multivariate Hermite polynomials | Laguerre polynomials | HERMITE | PHYSICS, MULTIDISCIPLINARY | CONVOLUTION

Deconvolution | Gaussian kernels | Hermite polynomials | Multivariate Hermite polynomials | Laguerre polynomials | HERMITE | PHYSICS, MULTIDISCIPLINARY | CONVOLUTION

Journal Article

Acta Physica Polonica B, ISSN 0587-4254, 2010, Volume 41, Issue 11, pp. 2325 - 2333

A new indicator, a real valued s-index, is suggested to characterize a quality and impact of the scientific research output. It is expected to be at least as...

SCIENTISTS | PHYSICS, MULTIDISCIPLINARY | H-INDEX | RANKING

SCIENTISTS | PHYSICS, MULTIDISCIPLINARY | H-INDEX | RANKING

Journal Article

Canadian Journal of Physics, ISSN 0008-4204, 12/2014, Volume 92, Issue 12, p. 1643

Journal Article

Modern Physics Letters A, ISSN 0217-7323, 02/2018, Volume 33, Issue 5, p. 1850023

Schumann resonance transients which propagate around the globe can potentially generate a correlated background in widely separated gravitational-wave...

Schumann resonance transients | gravitational waves | stochastic gravitational-wave background | ASTRONOMY & ASTROPHYSICS | stochastic gravitationalwave background | PHYSICS, NUCLEAR | PHYSICS, MATHEMATICAL | PHYSICS, PARTICLES & FIELDS | Atmospheric electricity

Schumann resonance transients | gravitational waves | stochastic gravitational-wave background | ASTRONOMY & ASTROPHYSICS | stochastic gravitationalwave background | PHYSICS, NUCLEAR | PHYSICS, MATHEMATICAL | PHYSICS, PARTICLES & FIELDS | Atmospheric electricity

Journal Article

MATHEMATICAL INTELLIGENCER, ISSN 0343-6993, 09/2019, Volume 41, Issue 3, pp. 14 - 18

The Mathematical Intelligencer 41N3 (2019), 14-18 Some time ago Wastlund reformulated the Basel problem in terms of a physical system using the proportionality...

MATHEMATICS | PROOF | FORMULA | EULERS | DERIVATIVES | Physicists

MATHEMATICS | PROOF | FORMULA | EULERS | DERIVATIVES | Physicists

Journal Article

Physics Letters A, ISSN 0375-9601, 2009, Volume 373, Issue 31, pp. 2643 - 2645

We conjecture that the modified commutation relations suggested in the context of quantum gravity (QG) persist also in the classical limit, if the momentum of...

PERIHELION PRECESSION | DUST | CONSTANTS | MOTION | PHYSICS, MULTIDISCIPLINARY | GENERALIZED UNCERTAINTY PRINCIPLE | CLASSICAL MECHANICS | DYNAMICS | STRING THEORY

PERIHELION PRECESSION | DUST | CONSTANTS | MOTION | PHYSICS, MULTIDISCIPLINARY | GENERALIZED UNCERTAINTY PRINCIPLE | CLASSICAL MECHANICS | DYNAMICS | STRING THEORY

Journal Article

UNIVERSE, ISSN 2218-1997, 12/2015, Volume 1, Issue 3, pp. 307 - 356

An attempt is made to explain time non-dilation allegedly observed in quasar light curves. The explanation is based on the assumption that quasar black holes...

Milne cosmological model | St. Augustine's objects | ASTRONOMY & ASTROPHYSICS | expanding space | quasar light curves | Hubble flow | PHYSICS, PARTICLES & FIELDS

Milne cosmological model | St. Augustine's objects | ASTRONOMY & ASTROPHYSICS | expanding space | quasar light curves | Hubble flow | PHYSICS, PARTICLES & FIELDS

Journal Article

PHYSICS LETTERS A, ISSN 0375-9601, 08/2017, Volume 381, Issue 32, pp. 2593 - 2597

We comment on the Friedmann and Hagen's quantum mechanical derivation of the Wallis formula for pi. In particular, we demonstrate that not only the Gaussian...

Variational methods in quantum mechanics | INEQUALITIES | PHYSICS, MULTIDISCIPLINARY | Wallis formula

Variational methods in quantum mechanics | INEQUALITIES | PHYSICS, MULTIDISCIPLINARY | Wallis formula

Journal Article

Canadian Journal of Physics, ISSN 0008-4204, 2019, Volume 97, Issue 7, pp. 693 - 700

A detailed exposition of two-photon decays of P-wave positronium is given to fill an existing gap in the pedagogical literature. Annihilation decay rates of...

electromagnetic decays | théorie quantique des champs | désintégrations électromagnétiques | positronium | quantum field theory | quantum electrodynamics | tutorial | électrodynamique quantique | PHYSICS, MULTIDISCIPLINARY | QUARKONIUM | BETHE-SALPETER-EQUATION | ANNIHILATION RATE | Atoms | Comparative analysis | Electromagnetism | Decay rate | Gluons | Decay | Electric dipoles | Photons | Positronium | Physics

electromagnetic decays | théorie quantique des champs | désintégrations électromagnétiques | positronium | quantum field theory | quantum electrodynamics | tutorial | électrodynamique quantique | PHYSICS, MULTIDISCIPLINARY | QUARKONIUM | BETHE-SALPETER-EQUATION | ANNIHILATION RATE | Atoms | Comparative analysis | Electromagnetism | Decay rate | Gluons | Decay | Electric dipoles | Photons | Positronium | Physics

Journal Article

Physics of Atomic Nuclei, ISSN 1063-7788, 03/2018, Volume 81, Issue 2, pp. 205 - 213

The cross section for the process e{sup +}e{sup −} → ηK{sup +}K{sup −} wasmeasured at c.m. energies in the range between 1.56 and 2.00 GeV in an experiment...

CROSS SECTIONS | KAONS | PHYSICS OF ELEMENTARY PARTICLES AND FIELDS | GEV RANGE 01-10 | MASS DISTRIBUTION | INTERMEDIATE STATE

CROSS SECTIONS | KAONS | PHYSICS OF ELEMENTARY PARTICLES AND FIELDS | GEV RANGE 01-10 | MASS DISTRIBUTION | INTERMEDIATE STATE

Journal Article

Physical Review D - Particles, Fields, Gravitation and Cosmology, ISSN 1550-7998, 08/2015, Volume 92, Issue 4

We construct the gauge invariant three-photon decay amplitude of particle-antiparticle bound states modeled by the Dyson-Schwinger and Bethe-Salpeter...

BETHE-SALPETER | POSITRONIUM | MESONS | QCD | ASTRONOMY & ASTROPHYSICS | DYSON | EQUATION | PION | G-2 | SYMMETRY-BREAKING | PRECISION | PHYSICS, PARTICLES & FIELDS

BETHE-SALPETER | POSITRONIUM | MESONS | QCD | ASTRONOMY & ASTROPHYSICS | DYSON | EQUATION | PION | G-2 | SYMMETRY-BREAKING | PRECISION | PHYSICS, PARTICLES & FIELDS

Journal Article

European Journal of Physics, ISSN 0143-0807, 11/2015, Volume 37, Issue 1, p. 15004

Surprisingly, an interesting property of the Noether charge that it is by itself invariant under the corresponding symmetry transformation is never discussed...

Noether theorem | classical mechanics | classical field theory | CONSERVED QUANTITIES | SYMMETRIES | PHYSICS, MULTIDISCIPLINARY | THEOREM | EDUCATION, SCIENTIFIC DISCIPLINES

Noether theorem | classical mechanics | classical field theory | CONSERVED QUANTITIES | SYMMETRIES | PHYSICS, MULTIDISCIPLINARY | THEOREM | EDUCATION, SCIENTIFIC DISCIPLINES

Journal Article

Medical Hypotheses, ISSN 0306-9877, 11/2018, Volume 120, pp. 22 - 27

Visceral theory of sleep states that the same brain neurons, which process external information in wakefulness, during sleep switch to the processing of...

Schizophrenia | Bipolar disorder | Visceral theory of sleep | Psychiatry | MEDICINE, RESEARCH & EXPERIMENTAL | CIRCADIAN-RHYTHMS | BINOCULAR-RIVALRY | BLUE-LIGHT | BIPOLAR | RESTLESS LEGS SYNDROME | ILLUSION | CREATIVITY | DISEASE | PSYCHIATRIC-DISORDERS | Schizophrenia - physiopathology | Wakefulness | Humans | Bipolar Disorder - physiopathology | Neurons - physiology | Cognition | Sleep - physiology | Sleep Wake Disorders - physiopathology | Circadian Rhythm | Brain - physiology | Mental Disorders - physiopathology | Sleep | Information management | Neurons | Nuclear physics

Schizophrenia | Bipolar disorder | Visceral theory of sleep | Psychiatry | MEDICINE, RESEARCH & EXPERIMENTAL | CIRCADIAN-RHYTHMS | BINOCULAR-RIVALRY | BLUE-LIGHT | BIPOLAR | RESTLESS LEGS SYNDROME | ILLUSION | CREATIVITY | DISEASE | PSYCHIATRIC-DISORDERS | Schizophrenia - physiopathology | Wakefulness | Humans | Bipolar Disorder - physiopathology | Neurons - physiology | Cognition | Sleep - physiology | Sleep Wake Disorders - physiopathology | Circadian Rhythm | Brain - physiology | Mental Disorders - physiopathology | Sleep | Information management | Neurons | Nuclear physics

Journal Article

Canadian Journal of Physics, ISSN 0008-4204, 2014, Volume 92, Issue 12, pp. 1643 - 1651

At first sight, arguments for and against the notion of relativistic mass look like a notorious intra-Lilliputian quarrel between Big-Endians (those who broke...

03.30.+p | QUANTUM FACT | INVARIANCE | PARTICLE | PHYSICS, MULTIDISCIPLINARY | EINSTEIN | CLASSICAL MECHANICS | FICTION | Mass (Physics) | Analysis | Relativity (Physics) | Inspection | Origins | Eggs

03.30.+p | QUANTUM FACT | INVARIANCE | PARTICLE | PHYSICS, MULTIDISCIPLINARY | EINSTEIN | CLASSICAL MECHANICS | FICTION | Mass (Physics) | Analysis | Relativity (Physics) | Inspection | Origins | Eggs

Journal Article

Physical Review D (Particles, Fields, Gravitation and Cosmology), ISSN 1550-7998, 08/2015, Volume 92, Issue 4

We construct the gauge invariant three-photon decay amplitude of particle-antiparticle bound states modeled by the Dyson-Schwinger and Bethe-Salpeter...

Construction | Amplitudes | Mathematical models | Quarks | Decomposition | Gages | Invariants | Gauges

Construction | Amplitudes | Mathematical models | Quarks | Decomposition | Gages | Invariants | Gauges

Journal Article

Acta Physica Polonica B, ISSN 0587-4254, 04/2008, Volume 39, Issue 4, pp. 811 - 885

Special relativity is no longer a new revolutionary theory but a firmly established cornerstone of modern physics. The teaching of special relativity, however,...

DERIVATION | SPACE | LORENTZ TRANSFORMATIONS | PHYSICS, MULTIDISCIPLINARY | VACUUM POLARIZATION | LIGHT | RANDOM ELECTRODYNAMICS | GRAVITATIONAL-FIELD | CAYLEY-KLEIN GEOMETRIES | QUANTUM-MECHANICS | RADIATION

DERIVATION | SPACE | LORENTZ TRANSFORMATIONS | PHYSICS, MULTIDISCIPLINARY | VACUUM POLARIZATION | LIGHT | RANDOM ELECTRODYNAMICS | GRAVITATIONAL-FIELD | CAYLEY-KLEIN GEOMETRIES | QUANTUM-MECHANICS | RADIATION

Journal Article

Acta Physica Polonica B, ISSN 0587-4254, 11/2008, Volume 39, Issue 11, pp. 2943 - 2947

Intense neutrino beams that accompany muon colliders can be used for interstellar communications. The presence of multi-TeV extraterrestrial muon collider at...

NEUTRINO BEAMS | PHYSICS, MULTIDISCIPLINARY | COMMUNICATION | CHALLENGES | DETECTOR

NEUTRINO BEAMS | PHYSICS, MULTIDISCIPLINARY | COMMUNICATION | CHALLENGES | DETECTOR

Journal Article

No results were found for your search.

Cannot display more than 1000 results, please narrow the terms of your search.