Zobrazeno 1 - 10
of 47
pro vyhledávání: '"Chashchina, O."'
Publikováno v:
Int. J. Mod. Phys. D 29 (2020), 2050070
Several quantum gravity and string theory thought experiments indicate that the Heisenberg uncertainty relations get modified at the Planck scale so that a minimal length do arises. This modification may imply a modification of the canonical commutat
Externí odkaz:
http://arxiv.org/abs/1902.09728
Autor:
Chashchina, O. I, Silagadze, Z. K.
Publikováno v:
Phys. Lett. A 381 (2017), 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 trial function, used by Friedmann and Hagen, but also the Lorentz trial function can be us
Externí odkaz:
http://arxiv.org/abs/1704.06153
Autor:
Chashchina, O. I., Silagadze, Z. K.
Publikováno v:
Universe 1(N3) (2015), 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 are, in some sense, foreign for our Friedmann-Robertson-Walker universe and do not participa
Externí odkaz:
http://arxiv.org/abs/1409.1708
Autor:
Chashchina, O. I., Silagadze, Z. K.
Publikováno v:
Acta Physica Polonica B 43 (2012), 1917-1952
As it is well known, classical special relativity allows the existence of three different kinds of particles: bradyons, luxons and tachyons. Bradyons have non-zero mass and hence always travel slower than light. Luxons are particles with zero mass, l
Externí odkaz:
http://arxiv.org/abs/1112.4714
Publikováno v:
Acta Phys.Polon.B40:2363-2378,2009
An elementary pedagogical derivation of the Lense-Thirring precession is given based on the use of Hamilton vector. The Hamilton vector is an extra constant of motion of the Kepler/Coulomb problem related simply to the more popular Runge-Lenz vector.
Externí odkaz:
http://arxiv.org/abs/0808.0397
Autor:
Chashchina, O. I., Silagadze, Z. K.
Publikováno v:
Phys.Rev.D77:107502,2008
This is a comment on the recent paper by G. S. Adkins and J. McDonnell ``Orbital precession due to central-force perturbations'' published in Phys. Rev. D75 (2007), 082001 [arXiv:gr-qc/0702015]. We show that the main result of this paper, the formula
Externí odkaz:
http://arxiv.org/abs/0802.2431
Autor:
Chashchina, O. I., Silagadze, Z. K.
Publikováno v:
Latin Am. J. Phys. Educ. 3 (2009), 539-543
The purpose of this article is to present a simple solution of the classic dog-and-rabbit chase problem which emphasizes the use of concepts of elementary kinematics and, therefore, can be used in introductory mechanics course. The article is based o
Externí odkaz:
http://arxiv.org/abs/0711.3293
Akademický článek
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Akademický článek
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Autor:
CHASHCHINA, O. I.1,2, SILAGADZE, Z. K.3,4
Publikováno v:
Acta Physica Polonica B. 2012, Vol. 43 Issue 10, p1917-1952. 36p.
