Topic
Coherent states in mathematical physics
About: Coherent states in mathematical physics is a research topic. Over the lifetime, 732 publications have been published within this topic receiving 32024 citations.
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TL;DR: In this paper, the exact solution for the time development of the reduced density operator for a driven oscillator interacting with a reservoir consisting of an arbitrary number of quantum oscillators initially in thermal equilibrium is obtained.
2 citations
TL;DR: In this article, a new type of q-coherent states with M components is introduced, and some properties of the qcoherent state are discussed, while the cycle representations of quantum algebra SUq(2) are obtained by means of the two-mode q-Coherent states.
Abstract: In this letter, a new type of q-coherent states with M components is introduced. Some properties of the q-coherent state are discussed. The cycle representations of quantum algebra SUq(2) are obtained by means of the two-mode q-coherent states.
2 citations
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TL;DR: In this article, the effects of mode mismatching and loss in the preparation of large optical cat states are considered. But the authors focus on the effect of mode mismatch and loss on the performance of the protocol.
Abstract: A cat state is a superposition of macroscopically distinct states. In quantum optics one such type of state is a superposition of distinct coherent states. Recently, a protocol has been proposed for preparing large optical cat states from a resource of smaller ones. We consider the effects of mode-mismatch and loss in the preparation of large cat states using this protocol with a view to understand experimental limitations. (This paper is written in an experimental rapid communication format).
2 citations
TL;DR: The totality of solutions for a hierarchy of equations in soliton theory is identified with the set of coherent states associated with a quantum system of infinitely many harmonically interacting fermions.
2 citations
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TL;DR: Analogs of ordinary Gaussian coherent states on bosonic Fock spaces are constructed for the case of free Fock space, which appear to be natural mathematical structures suitable for description of large N matrix models.
Abstract: Analogs of ordinary Gaussian coherent states on bosonic Fock spaces are constructed for the case of free Fock spaces, which appear to be natural mathematical structures suitable for description of large N matrix models.
2 citations