Zobrazeno 1 - 10
of 508
pro vyhledávání: '"P, Diosi"'
Autor:
Diósi, Lajos
We consider $N$ clones of the quantized world, interacting with each other via quantum gravity, coupled by the downscaled Newton constant $G/N$. In the limit $N\rightarrow\infty$, we obtain the semiclassical Einstein equation for every single clonewo
Externí odkaz:
http://arxiv.org/abs/2412.05740
Autor:
Diósi, Lajos
We show that the minimum entropy production in near-reversible quantum state transport along a path is a simple function of the path length measured according to the Fisher--Bures metrics. Consequently, the minimum entropy production along a geodesic
Externí odkaz:
http://arxiv.org/abs/2410.04307
Autor:
Diósi, Lajos
Publikováno v:
Phys. Rev. D 110, 084052 (2024)
We discuss the Hamiltonian hybrid coupling between a classical and a quantum subsystem. If applicable to classical gravity coupled to quantized matter, this hybrid theory might realize a captivating `postquantum' alternative to full quantum-gravity.
Externí odkaz:
http://arxiv.org/abs/2404.07723
Autor:
Diósi, Lajos
Publikováno v:
Rep.Math.Phys. 94, 143 (2024)
The covariant form of the multivariable diffusion-drift process is described by the covariant Fokker--Planck equation using the standard toolbox of Riemann geometry. The covariant form of the equivalent Langevin stochastic differential equation is lo
Externí odkaz:
http://arxiv.org/abs/2310.17314
Autor:
Diósi, Lajos
Publikováno v:
J.Phys.Conf.Ser. 2533, 012005-(5) (2023)
When about half a century ago the concept of universal spontaneous collapse of the wave function was conceived it was an attempt to alter standard non-relativistic quantum physics. As such, it was largely ignored by relativistic field theory and quan
Externí odkaz:
http://arxiv.org/abs/2303.06633
Autor:
Diósi, Lajos
Publikováno v:
Phys.Rev. A107, 062206-10 (2023)
A concise and self-contained derivation of hybrid quantum-classical dynamics is given in terms of Markovian master equations. Many previously known results are re-derived, revised, some of them completed or corrected. Using as simple method as possib
Externí odkaz:
http://arxiv.org/abs/2302.13418
Autor:
Piscicchia, Kristian, Donadi, Sandro, Manti, Simone, Bassi, Angelo, Derakhshani, Maaneli, Diosi, Lajos, Curceanu, Catalina
In this work the spontaneous electromagnetic radiation from atomic systems, induced by dynamical wave-function collapse, is investigated in the X-rays domain. Strong departures are evidenced with respect to the simple cases considered until now in th
Externí odkaz:
http://arxiv.org/abs/2301.09920
Autor:
Di Bartolomeo, Giovanni, Carlesso, Matteo, Piscicchia, Kristian, Curceanu, Catalina, Derakhshani, Maaneli, Diósi, Lajos
Publikováno v:
Phys. Rev. A 108, 012202 (2023)
We construct and study the simplest universal dissipative Lindblad master equation for many-body systems with the purpose of a new dissipative extension of existing nonrelativistic theories of fundamental spontaneous decoherence and spontaneous wave
Externí odkaz:
http://arxiv.org/abs/2301.07661
Autor:
Rouillard, Amy, Reddy, Anirudh, Bassa, Humairah, Maharaj, Shamik, Diosi, Lajos, Konrad, Thomas
We present a formulation of measurement-based feedback control of a single quantum particle in one spatial dimension. An arbitrary linear combination of the position and momentum of the particle is continuously monitored, and feedback proportional to
Externí odkaz:
http://arxiv.org/abs/2212.12292
Autor:
Diósi, Lajos
Publikováno v:
Quant.Rep. 4, 566-573 (2022)
Based on the assumption that the standard Schr\"odinger equation becomes gravitationally modified for massive macroscopic objects, two independent proposals has survived from the nineteen-eighties. The Schr\"odinger--Newton equation (1984) provides w
Externí odkaz:
http://arxiv.org/abs/2210.15057