Order-out-of-disorder in a gas of elastic quantum strings in 2+1 dimensions
Abstract
A limiting case of a dynamical stripe state which is of potential significance to cuprate superconductors is considered: a gas of elastic quantum strings in 2+1 dimensions, interacting merely via a hard-core condition. It is demonstrated that this gas solidifies always, by a mechanism which is the quantum analogue of the entropic interactions known from soft condensed matter physics.
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