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pro vyhledávání: '"Favalli, Tommaso"'
Autor:
Favalli, Tommaso, Smerzi, Augusto
We study the dynamical evolution of two quantum clocks interacting with a relativistic gravitational potential. We find a time dilation effect for the clocks in agreement with the gravitational time dilation as obtained from the Schwarzschild solutio
Externí odkaz:
http://arxiv.org/abs/2304.04281
Autor:
Favalli, Tommaso, Smerzi, Augusto
Publikováno v:
AVS Quantum Sci. 4, 044403 (2022)
We consider a global quantum system (the "Universe") satisfying a double constraint, both on total energy and total momentum. Generalizing the Page and Wootters quantum clock formalism, we provide a model of 3+1 dimensional, non-relativistic, quantum
Externí odkaz:
http://arxiv.org/abs/2207.01005
Autor:
Favalli, Tommaso, Smerzi, Augusto
Publikováno v:
Phys. Rev. D 105, 023525 (2022)
We consider a quantum Universe composed by a small system S and a large environment. It has been demonstrated that, for the vast majority of randomly chosen wave-functions of the Universe satisfying a total energy constraint, the reduced density matr
Externí odkaz:
http://arxiv.org/abs/2112.04057
Autor:
Favalli, Tommaso, Smerzi, Augusto
Publikováno v:
Quantum 4, 354 (2020)
Time in quantum mechanics is peculiar: it is an observable that cannot be associated to an Hermitian operator. As a consequence it is impossible to explain dynamics in an isolated system without invoking an external classical clock, a fact that becom
Externí odkaz:
http://arxiv.org/abs/2003.09042
Autor:
Favalli, Tommaso, Smerzi, Augusto
We consider two non-relativistic quantum clocks interacting with a Newtonian gravitational field produced by a spherical mass. In the framework of Page and Wootters approach, we derive a time dilation for the time states of the clocks. The delay is i
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::0db4d86fb79e680bc9c7b2d4aae867ca
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