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64 papers · 1 filter
Landau Ghosts and Anti-Ghosts in Condensed Matter and High Density Hadronic Matter
S. Sivasubramanian, Y. N. Srivastava, A. Widom
It is observed that the ``ghost'' (originally discovered by Landau in quantum electro-dynamics) and its counterparts in other theories are indeed ubiquitous as they occur in a one-…
Maximal p-norms of entanglement breaking channels
C. King
It shown that when one of the components of a product channel is entanglement breaking, the output state with maximal p-norm is always a product state. This result complements Shor…
Generalized Fibonacci numbers and dimer statistics
W. T. Lu, F. Y. Wu
We establish new product identities involving the -analogue of the Fibonacci numbers. We show that the identities lead to alternate expressions of generating functions for close…
The superconducting gap of \QTR{em}{in situ} thin films by microwave surface impedance measurements
N. Hakim, C. Kusko, S. Sridhar +4
Precision measurements of the microwave surface resistance of in situ films directly reveal an exponential behavior of at low temperature indicating a ful…
Duality relation for frustrated spin models
D. -H. Lee, F. Y. Wu
We consider discrete spin models on arbitrary planar graphs and lattices with frustrated interactions. We first analyze the Ising model with frustrated plaquettes. We use an algebr…
Neutrinos from Accreting Neutron Stars
Luis A. Anchordoqui, Diego F. Torres, Thomas P. McCauley +2
The magnetospheres of accreting neutron stars develop electrostatic gaps with huge potential drops. Protons and ions, accelerated in these gaps along the dipolar magnetic field lin…