Aspects of unconventional density waves
- 1. Department of Physics and Astronomy, University of Southern California, Los Angeles, CA (United States)
- 2. Abdus Salam International Centre for Theoretical Physics, Trieste (Italy)
- 3. Research Institute for Solid State Physics and Optics, Budapest (Hungary)
- 4. Department of Physics, Budapest University of Technology and Economics, Budapest (Hungary)
Description
Recently many people discuss unconventional density waves (i.e. unconventional charge density waves (UCDW) and unconventional spin density waves (USDW)). Unlike in conventional density waves, the quasiparticle spectrum in these systems is gapless. Also these systems remain metallic. Indeed it appears that there are many candidates for UDW. The low temperature phase of α-(BEDT-TTF)2KHg(SCN)4, the antiferromagnetic phase in URu2Si2, the CDW in transition metal dichalcogenite NbSe2, the pseudogap phase in high Tc cuprate superconductors, the glassy phase in organic superconductor κ-(BEDT-TTF)2Cu[N(CN)2]Br. After a brief introduction on UCDW and USDW, we shall discuss some of the above systems, where we believe we have evidence for unconventional density waves. (author)
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Additional details
Publishing Information
- Imprint Pagination
- 13 p.
- Report number
- IC--2003/134
INIS
- Country of Publication
- International Atomic Energy Agency (IAEA)
- Country of Input or Organization
- International Atomic Energy Agency (IAEA)
- INIS RN
- 35047047
- Subject category
- S75: CONDENSED MATTER PHYSICS, SUPERCONDUCTIVITY AND SUPERFLUIDITY;
- Descriptors DEI
- ANTIFERROMAGNETISM; BEDT-TTF; CHARGE DENSITY; CUPRATES; HIGH-TC SUPERCONDUCTORS; LANDAU QUASI PARTICLES; NIOBIUM SELENIDES; RUTHENIUM SILICIDES; SPIN WAVES; URANIUM COMPOUNDS
- Descriptors DEC
- ACTINIDE COMPOUNDS; CHALCOGENIDES; COPPER COMPOUNDS; HETEROCYCLIC COMPOUNDS; MAGNETISM; NIOBIUM COMPOUNDS; ORGANIC COMPOUNDS; ORGANIC SULFUR COMPOUNDS; ORGANIC SUPERCONDUCTORS; OXYGEN COMPOUNDS; QUASI PARTICLES; REFRACTORY METAL COMPOUNDS; RUTHENIUM COMPOUNDS; SELENIDES; SELENIUM COMPOUNDS; SILICIDES; SILICON COMPOUNDS; SUPERCONDUCTORS; TRANSITION ELEMENT COMPOUNDS; TYPE-II SUPERCONDUCTORS
Optional Information
- Contract/Grant/Project number
- Grant OTKA T032162; TS040878
- Notes
- 13 refs, 5 figs