New Calculations of ICDW Eigenmode Frequencies of 2H-TaSe2

Autor:	E. M. do Nascimento, J. F. M. Rocha, A. L. Ribeiro Filho, D. S. de Vasconcelos
Rok vydání:	1999
Předmět:	Optics Condensed matter physics Hexagonal crystal system Normal mode business.industry Chemistry Phase (waves) Phason Condensed Matter Physics business Electronic Optical and Magnetic Materials
Zdroj:	Repositório Institucional da UFBA Universidade Federal da Bahia (UFBA) instacron:UFBA
ISSN:	1521-3951 0370-1972
DOI:	10.1002/(sici)1521-3951(199902)211:2<595::aid-pssb595>3.0.co;2-2
Popis:	p. 595-603 Submitted by Santiago Fabio (fabio.ssantiago@hotmail.com) on 2013-08-13T17:46:27Z No. of bitstreams: 1 2222222222.pdf: 182894 bytes, checksum: b0b64578578cd76318dda1d955ca25ea (MD5) Approved for entry into archive by Rodrigo Meirelles (rodrigomei@ufba.br) on 2013-11-16T13:02:14Z (GMT) No. of bitstreams: 1 2222222222.pdf: 182894 bytes, checksum: b0b64578578cd76318dda1d955ca25ea (MD5) Made available in DSpace on 2013-11-16T13:02:14Z (GMT). No. of bitstreams: 1 2222222222.pdf: 182894 bytes, checksum: b0b64578578cd76318dda1d955ca25ea (MD5) Previous issue date: 1999 Using an extended expression for the Landau-Lifshitz free-energy density we have computed order-parameter fluctuation eigenmodes for the triple hexagonal incommensurate charge-density-wave (ICDW) phase in 2H-TaSe2. Phasons and amplitudons have been obtained for two particular directions and we have performed some numerical calculations. Salvador
Databáze:	OpenAIRE
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