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Scientists at Yale University have confirmed a 50-year-old, previously untested theoretical prediction in physics and improved the energy storage time of a quantum switch by several orders of magnitud...
Initial Conditions and the ‘Open Systems’ Argument against Laws of Nature
Determinism Laws of nature Open systems Cartwright Quantum Decoherence
2011/9/6
This article attacks “open systems” arguments that because constant conjunctions are not generally observed in the real world of open systems we should be highly skeptical that universal laws exist. T...
Numerical evidence against a conjecture on the cover time of planar graphs
Numerical evidence the cover times of planar graphs Statistical Mechanics
2011/7/28
Abstract: We investigate a conjecture on the cover times of planar graphs by means of large Monte Carlo simulations. The conjecture states that the cover time $\tau(G_{N})$ of a planar graph $G_{N}$ o...
Validation and Verification of MCNP6 Against Intermediate and High-Energy Experimental Data and Results by Other Codes
validation verification MCNP6 MCNPX CEM03.02 LAQGSM03.03
2011/1/7
MCNP6, the latest and most advanced LANL transport code representing a recent merger of MCNP5 and MCNPX, has been Validated and Verified (V&V) against a variety of intermediate and high-energy experim...
Insecurity of position-based quantum cryptography protocols against entanglement attacks
Insecurity position-based quantum cryptography protocols entanglement attacks
2010/10/19
Recently, position-based quantum cryptography has been claimed to be unconditionally secure.
On the contrary, here we show that the existing proposals for position-based quantum cryptography are, in ...
Against a proposed alternative explanation of the Aharonov-Bohm effect
Against alternative explanation Aharonov-Bohm effect
2010/10/19
It has been suggested from time to time that the Aharonov-Bohm effect is somehow a consequence of a classical electromagnetic field phenomenon involving energy that is temporarily stored in the overla...
Decoherence and Loschmidt echoes: Quantum against Classical
Decoherence and Loschmidt echoes Quantum against Classical
2010/10/13
Some recent theoretical results on the stability of quantum dynamics against perturbations of the Hamiltonian- the so-called Loschmidt echoes and their relation to various decoherence measures are rev...