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Design of an optical reference cavity with low thermal noise and flexible thermal expansion properties
optical reference cavity low thermal noise flexible thermal expansion properties Optics
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2012/4/19
An ultrastable optical reference cavity with re-entrant fused silica mirrors and a ULE spacer structure is designed through finite element analysis. The designed cavity has a low thermal noise limit o...
Absence of sign problem in the (saddle point approximation of the) nilpotency expansion of QCD at finite chemical potential
nilpotency expansion finite chemical potential
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2011/1/13
We have developed a method to derive the (approximate) quark contribution to the fermion free
energy of QCD on a lattice, at finite temperature and chemical potential, with Kogut-Susskind
fermions i...
Demonstration of local expansion toward large-scale entangled webs
Demonstration local expansion large-scale entangled webs
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2010/10/20
We demonstrate an optical gate that increases the size of polarization-based W states by accessing only one of the qubits. Using this gate, we have generated three-photon and four-photon W states with...