Quantum simulation of spin-boson models with structured bath

Abstract The spin-boson model, involving spins interacting with a bath of quantum harmonic RC Spare Parts oscillators, is a widely used representation of open quantum systems that describe many dissipative processes in physical, chemical and biological systems.Trapped ions present an ideal platform for simulating the quantum dynamics of such models

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Mechanism of intestinal 7 alpha-dehydroxylation of cholic acid: evidence that allo-deoxycholic acid is an inducible side-product.

We previously reported that the 7 alpha-dehydroxylation of cholic acid appears to be carried out by a multi-step pathway in intestinal anaerobic bacteria both in vitro and in vivo.The pathway is hypothesized to involve an Ceramic Dripper initial oxidation of the 3 alpha-hydroxy group and the introduction of a double bond at C4-C5 generating a 3-oxo

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