Excess Vibrational Modes and the Boson Peak in Model Glasses Export

@article{citeulike:4235590, abstract = {The excess low-frequency normal modes for two widely used models of glasses are studied at zero temperature. The onset frequencies for the anomalous modes for both systems agree well with predictions of a variational argument, which is based on analyzing the vibrational energy originating from the excess contacts per particle over the minimum number needed for mechanical stability. Even though both glasses studied have a high coordination number, most of the additional contacts can be considered to be weak.}, author = {Xu, Ning and Wyart, Matthieu and Liu, Andrea J. and Nagel, Sidney R.}, citeulike-article-id = {4235590}, citeulike-linkout-0 = {http://scitation.aip.org/getabs/servlet/GetabsServlet?prog=normal&id=PRLTAO000098000017175502000001&idtype=cvips&gifs=yes}, citeulike-linkout-1 = {http://link.aps.org/abstract/PRL/v98/e175502}, citeulike-linkout-2 = {http://dx.doi.org/10.1103/PhysRevLett.98.175502}, doi = {10.1103/PhysRevLett.98.175502}, journal = {Physical Review Letters}, keywords = {liu, xn}, number = {17}, pages = {175502+}, posted-at = {2009-03-29 22:21:27}, priority = {2}, publisher = {APS}, title = {Excess Vibrational Modes and the Boson Peak in Model Glasses}, url = {http://dx.doi.org/10.1103/PhysRevLett.98.175502}, volume = {98}, year = {2007} }

TY - JOUR ID - citeulike:4235590 L3 - citeulike-article-id:4235590 N2 - The excess low-frequency normal modes for two widely used models of glasses are studied at zero temperature. The onset frequencies for the anomalous modes for both systems agree well with predictions of a variational argument, which is based on analyzing the vibrational energy originating from the excess contacts per particle over the minimum number needed for mechanical stability. Even though both glasses studied have a high coordination number, most of the additional contacts can be considered to be weak. IS - 17 JF - Physical Review Letters TI - Excess Vibrational Modes and the Boson Peak in Model Glasses PB - APS VL - 98 SP - 175502 KW - liu KW - xn AU - Xu, Ning AU - Wyart, Matthieu AU - Liu, Andrea AU - Nagel, Sidney PY - 2007/// UR - http://dx.doi.org/10.1103/PhysRevLett.98.175502 ER -