Spin- and Pair-Density-Wave Glasses
Name
PhysRevX.5.031008.pdf
Size
373.94 KB
Format
Adobe PDF
Checksum (MD5)
f70be2f02b2962e2af356379884bd1fc
Author(s)
Mross, David Fabian
Todadri, Senthil
Date Issued
July 2015
Journal
Physical Review X
Publisher
American Physical Society
Citation
Mross, David F., and T. Senthil. "Spin- and Pair-Density-Wave Glasses." Phys. Rev. X 5, 031008 (July 2015).
Version
Final published version
Abstract
Spontaneous breaking of translational symmetry, known as density-wave order, is common in nature. However, such states are strongly sensitive to impurities or other forms of frozen disorder leading to fascinating glassy phenomena. We analyze impurity effects on a particularly ubiquitous form of broken translation symmetry in solids: a spin-density wave (SDW) with spatially modulated magnetic order. Related phenomena occur in pair-density-wave (PDW) superconductors where the superconducting order is spatially modulated. For weak disorder, we find that the SDW or PDW order can generically give way to a SDW or PDW glass—new phases of matter with a number of striking properties, which we introduce and characterize here. In particular, they exhibit an interesting combination of conventional (symmetry-breaking) and spin-glass (Edwards-Anderson) order. This is reflected in the dynamic response of such a system, which—as expected for a glass—is extremely slow in certain variables, but, surprisingly, is fast in others. Our results apply to all uniaxial metallic SDW systems where the ordering vector is incommensurate with the crystalline lattice. In addition, the possibility of a PDW glass has important consequences for some recent theoretical and experimental work on La[subscript 2−x]Ba[subscript x]Cu[subscript 2]O[subscript 4].
MIT Department
Massachusetts Institute of Technology. Department of Physics
Terms of Use
Creative Commons Attribution
Persistent DSpace Link
DOI of Published Version
https://doi.org/10.1103/PhysRevX.5.031008
