A universal high energy anomaly in angle resolved photoemissionspectra of high temperature superconductors -- possible evidence ofspinon and holon branches [electronic resource]
A universal high energy anomaly in the single particlespectral function is reported in three different families of hightemperature superconductors by using angle-resolved photoemissionspectroscopy. As we follow the dispersing peak of the spectral functionfrom the Fermi energy to the valence band com...
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| Format: | Government Document Electronic eBook |
| Language: | English |
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Berkeley, Calif. : Oak Ridge, Tenn. :
Lawrence Berkeley National Laboratory ; distributed by the Office of Scientific and Technical Information, U.S. Dept. of Energy,
2006.
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| Subjects: |
MARC
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| 245 | 0 | 2 | |a A universal high energy anomaly in angle resolved photoemissionspectra of high temperature superconductors -- possible evidence ofspinon and holon branches |h [electronic resource] |
| 260 | |a Berkeley, Calif. : |b Lawrence Berkeley National Laboratory ; |a Oak Ridge, Tenn. : |b distributed by the Office of Scientific and Technical Information, U.S. Dept. of Energy, |c 2006. | ||
| 336 | |a text |b txt |2 rdacontent. | ||
| 337 | |a computer |b c |2 rdamedia. | ||
| 338 | |a online resource |b cr |2 rdacarrier. | ||
| 500 | |a Published through the Information Bridge: DOE Scientific and Technical Information. | ||
| 500 | |a 12/19/2006. | ||
| 500 | |a "lbnl--62145" | ||
| 500 | |a ": KC0202020" | ||
| 500 | |a Physical Review Letter 98 FT. | ||
| 500 | |a Journal Publication Date: 02/2007. | ||
| 500 | |a Lee, D.-H.; Uchida, S.; Sasagawa, T.; Rotenberg, E.; Eisaki, H.; Zhou, S.Y.; Graf, J.; Bill, A.; Takagi,H.; Gweon, G.-H.; Jozwiak, C.; McElroy, K.; Lanzara A. | ||
| 500 | |a USDOE Director. Office of Science. Office of AdvancedScientific Computing Research. Office of Basic Energy Sciences. MaterialsSciences and Engineering Division. | ||
| 500 | |a National Science Foundation GrantDMR-0349361. | ||
| 520 | 3 | |a A universal high energy anomaly in the single particlespectral function is reported in three different families of hightemperature superconductors by using angle-resolved photoemissionspectroscopy. As we follow the dispersing peak of the spectral functionfrom the Fermi energy to the valence band complex, we find dispersionanomalies marked by two distinctive high energy scales, E_1 approx 0.38eV and E_2 approx 0.8 eV. E_1 marks the energy above which the dispersionsplits into two branches. One is a continuation of the near parabolicdispersion, albeit with reduced spectral weight, and reaches the bottomof the band at the Gamma point at approx 0.5 eV. The other is given by apeak in the momentum space, nearly independent of energy between E_1 andE_2. Above E_2, a band-like dispersion re-emerges. We conjecture thatthese two energies mark the disintegration of the low energyquasiparticles into a spinon and holon branch in the high T_c cuprates. | |
| 536 | |b DE-AC02-05CH11231. | ||
| 536 | |b 507501. | ||
| 650 | 7 | |a Cuprates. |2 local. | |
| 650 | 7 | |a Valence. |2 local. | |
| 650 | 7 | |a Spectroscopy. |2 local. | |
| 650 | 7 | |a Spectra. |2 local. | |
| 650 | 7 | |a Superconductors. |2 local. | |
| 650 | 7 | |a Spectral Functions. |2 local. | |
| 650 | 7 | |a Photoemission. |2 local. | |
| 710 | 2 | |a Lawrence Berkeley National Laboratory. |4 res. | |
| 710 | 1 | |a United States. |b Department of Energy. |b Office of Scientific and Technical Information. |4 dst. | |
| 856 | 4 | 0 | |u http://www.osti.gov/servlets/purl/902146-IMtsqS/ |z Online Access |
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