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The principle of maximum entropy is used to study the geometric properties of an ensemble of finite dimensional Hamiltonian systems with known average energy. These geometric characterization is given in terms of the generalized diagonal Bloch vector
Externí odkaz:
http://arxiv.org/abs/2405.01759
A method for storing quantum information is presented for $3$-level atomic systems interacting dipolarly with a single radiation field. The method involves performing simple local SU(2) rotations on the Hamiltonian. Under equal detuning, these transf
Externí odkaz:
http://arxiv.org/abs/2306.00105
We show that the behaviour in phase space of the Wigner function associated to the electromagnetic modes carries the information of both, the entanglement properties between matter and field, and the regions in parameter space where quantum phase tra
Externí odkaz:
http://arxiv.org/abs/2302.09209
Publikováno v:
J. Phys. A: Math. Theor. 55 (2022) 485302
The quantum phase diagram for a finite $3$-level system in the $\Lambda$ configuration, interacting with a two-mode electromagnetic field in a cavity, is determined by means of information measures such as fidelity, fidelity susceptibility and entang
Externí odkaz:
http://arxiv.org/abs/2302.09204
Publikováno v:
In Palaeoworld August 2024 33(4):937-958
In periodically-driven quantum systems, resonances can induce exotic nonequilibrium behavior and new phases of matter without static analog. We report on the emergence of fractional and integer resonances in a broad class of many-body Hamiltonians wi
Externí odkaz:
http://arxiv.org/abs/2111.06949
The dynamical behaviour of complex quantum systems can be harnessed for information processing. With this aim, quantum reservoir computing (QRC) with Ising spin networks was recently introduced as a quantum version of classical reservoir computing. I
Externí odkaz:
http://arxiv.org/abs/2010.06369
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Publikováno v:
Phys. Rev. A 100, 053810 (2019)
A methodology is devised for building optimal bases for the generalized Dicke model based on the symmetry adapted variational solution to the problem. At order zero, the matter sector is constructed by distributing $N_a$ particles in all the possible
Externí odkaz:
http://arxiv.org/abs/1905.13333
Akademický článek
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