Zobrazeno 1 - 10
of 18
pro vyhledávání: '"Alonso, José Raúl González"'
While classical chaos has been successfully characterized with consistent theories and intuitive techniques, such as with the use of Lyapunov exponents, quantum chaos is still poorly understood, as well as its relation with multi-partite entanglement
Externí odkaz:
http://arxiv.org/abs/2201.08175
Out-of-time-ordered correlators (OTOCs) have been proposed as a tool to witness quantum information scrambling in many-body system dynamics. These correlators can be understood as averages over nonclassical multi-time quasi-probability distributions
Externí odkaz:
http://arxiv.org/abs/1907.10778
Publikováno v:
Phys. Rev. Lett. 122, 040404 (2019)
Out-of-time-ordered correlators (OTOCs) have received considerable recent attention as qualitative witnesses of information scrambling in many-body quantum systems. Theoretical discussions of OTOCs typically focus on closed systems, raising the quest
Externí odkaz:
http://arxiv.org/abs/1806.09637
Publikováno v:
Phys. Rev. A 98, 012132 (2018)
For systems of controllable qubits, we provide a method for experimentally obtaining a useful class of multitime correlators using sequential generalized measurements of arbitrary strength. Specifically, if a correlator can be expressed as an average
Externí odkaz:
http://arxiv.org/abs/1805.00667
Autor:
Alonso, Jose Raul Gonzalez, Brun, Todd
Orbital angular momentum of photons is an intriguing system for the storage and transmission of quantum information, but it is rapidly degraded by atmospheric turbulence. We explore the ability of adaptive optics to compensate for this disturbance by
Externí odkaz:
http://arxiv.org/abs/1612.02552
Autor:
Alonso, Jose Raul Gonzalez, Brun, Todd
Publikováno v:
Phys. Rev. A 95, 032320 (2017)
Orbital angular momentum of photons is an intriguing system for the storage and transmission of quantum information, but it is rapidly degraded by atmospheric turbulence. Understanding the noise processes that affect photons is essential if we desire
Externí odkaz:
http://arxiv.org/abs/1611.04039
Publikováno v:
Phys. Rev. A 94, 012329 (2016)
In this work, we consider the systematic error of quantum metrology by weak measurements under decoherence. We derive the systematic error of maximum likelihood estimation in general to the first-order approximation of a small deviation in the probab
Externí odkaz:
http://arxiv.org/abs/1605.09040
Autor:
Alonso, Jose Raul Gonzalez, Brun, Todd
Publikováno v:
Physical Review A Vol.88, No.2, August, 2013
One of the most important properties of orbital angular momentum (OAM) of photons is that the Hilbert space required to describe a general quantum state is infinite dimensional. In principle, this could allow for encoding arbitrarily large amounts of
Externí odkaz:
http://arxiv.org/abs/1306.2299
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