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Far-Infrared to Millimeter Astrophysical Dust Emission. II: Comparison of the Two-Level Systems (TLS) model with Astronomical Data
Far-Infrared Millimeter Astrophysical Dust Emission Comparison model Astronomical Data
2011/10/20
In a previous paper we proposed a new model for the emission by amorphous astronomical dust grains, based on solid-state physics. The model uses a description of the Disordered Charge Distribution (DC...
Carrier-envelope phase sensitive inversion in two-level systems
Carrier-envelope phase sensitive two-level systems
2011/9/2
We theoretically study the carrier-envelope phase dependent inversion generated in a two-level system by excitation with a few-cycle pulse. Based on the invariance of the inversion under time reversal...
Suppressing decoherence and improving entanglement by quantum-jump-based feedback control in two-level systems
Suppressing decoherence improving entanglement by quantum-jump-based feedback two-level systems
2010/10/19
We study the quantum-jump-based feedback control on the entanglement shared between two
qubits with one of them subject to decoherence, while the other qubit is under the control. This situation is v...
Bloch space structure of cascade, lambda and vee type of three-level systems and qutrit wave function
SU(3) group Blochequation Three-levelsystem Qutrit
2010/4/9
The cascade, lambda and vee type of three-level systems are shown to be described by three different Hamiltonians in the SU(3) basis. We investigate the Bloch space structure of each configuration by ...
Weak-Coupling Theory for Semiclassical Periodically Driven
Two-Level Systems: Beyond Rotating-Wave Approximation
periodically driven two-level systems weak-coupling theory beyond rotating-wave
approximation
2007/8/15
2007Vol.48No.2pp.339-342DOI:
Weak-Coupling Theory for Semiclassical Periodically Driven
Two-Level Systems: Beyond Rotating-Wave Approximation
YANG Xiao-Xue and WU Ying
D...
Explicit Realization of Pseudo-Hermitian and Quasi-Hermitian Quantum Mechanics for Two-Level Systems
Pseudo-Hermitian quasi-Hermitian metric operator observable two-level system
2010/4/9
We give an explicit characterization of the most general quasi-Hermitian operator H, the associated metric operators h+, and h+-pseudo-Hermitian operators acting in C2. The latter represent the physic...