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Books > Science & Mathematics > Physics > Particle & high-energy physics
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Superinsulators, Bose Metals And High-tc Superconductors: The Quantum Physics Of Emergent Magnetic Monopoles (Hardcover)
Loot Price: R2,212
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Superinsulators, Bose Metals And High-tc Superconductors: The Quantum Physics Of Emergent Magnetic Monopoles (Hardcover)
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In 1931 Dirac showed that topologically quantized single magnetic
charges, magnetic monopoles, while classically forbidden in a gauge
theory, are allowed alongside electric charges in a quantum theory
of electromagnetism. Such topological magnetic excitations are
indeed admitted in the spectrum of most grand unified field
theories of elementary interactions. Despite 40 years of dedicated
search efforts, nonetheless, they have never shown up in any
experiment. This, however, does not preclude the possibility of
topological magnetic monopoles being realized as excitations in
emergent condensed matter states, where they would be much lighter
and easier to create.This book is about the physical effects of
such emergent magnetic monopoles. These range from a new mechanism
for local, strong pairing of electrons possibly relevant for high-T
superconductivity, to the formation of a new quantum phase of
matter when monopoles condense. In such a condensate the electric
interaction becomes extremely strong, so much so that only extended
neutral states survive, with the consequence of an infinite
resistance, even at finite temperatures. This state, called a
superinsulator, is a dual superconductor and has been
experimentally detected in various materials. In a superinsulator
the electric interaction becomes analogous to the strong
interaction holding quarks together in colour-neutral hadrons. Even
more interesting is the case when the condensate carries both
magnetic and electric charge. The ensuing state has properties that
are strikingly reminiscent of the mysterious pseudogap state of
high-T superconductors. Magnetic monopoles might thus have been
hiding in plain sight where no one was looking for them for a long
time.
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