Comment on “Vortex Liquid Crystal in Anisotropic Type II Superconductors”

Comment on vortex liquid crystal in anisotropic type II superconductors.

Comment on " Vortex Liquid Crystal in Anisotropic Type II Superconductors " Recently Carlson et al. [1] tried to compose the H − T phase diagram of anisotropic superconductors based on the Lindemann criterion for melting of flux-line lattice. It is worthy to notice that the issue itself is interesting. However, their conclusion on the existence of a smectic vortex phase is unphysical for the fo...

Comment on ”Vortex Liquid Crystal in Anisotropic Type II Superconductors” The suppression of superconductivity in type II superconductors

Comment on " Vortex Liquid Crystal in Anisotropic Type II Superconductors " The suppression of superconductivity in type II superconductors is associated with the melting transition of the lattice of flux quanta [1, 2, 3]. Most melting phenomena in Nature are thermodynamic first-order phase transitions. An analytic description of melting is thus difficult since there is no good handle, such as ...

Comment on “Vortex liquid crystal in anisotropic type II superconductors” - Reply

Vortex liquid crystals in anisotropic type II superconductors.

In an isotropic type II superconductor in a moderate magnetic field, the transition to the normal state occurs by vortex lattice melting. In certain anisotropic cases, the vortices acquire elongated cross sections and interactions. Systems of anisotropic, interacting constituents generally exhibit liquid crystalline phases. We examine the possibility of a two step melting in homogeneous type II...

Vortex - glass phases in type - II superconductors ∗

A review is given on the theory of vortex-glass phases in impure type-II superconductors in an external field. We begin with a brief discussion of the effects of thermal fluctuations on the spontaneously broken U (1) and translation symmetries, on the global phase diagram and on the critical behaviour. Introducing disorder we restrict ourselves to the experimentally most relevant case of weak u...