Plasmon mode modifies the elastic response of a nanoscale charge density   wave system
  The elastic response of suspended NbSe3 nanowires is studied across the charge density wave phase transition. The nanoscale dimensions of the resonator lead to a large resonant frequency (10-100 MHz), bringing the excited phonon frequency in close proximity of the plasmon mode of the electronic condensate - a parameter window not accessible in bulk systems. The interaction between the phonon and plasmon modes strongly modifies the elastic properties at high frequencies. This is manifested in the nanomechanics of the system as a sharp peak in the temperature dependence of the elastic modulus (relative change of 12.8%) in the charge density wave phase. 
Shamashis Sengupta, Niveditha Samudrala, Vibhor Singh, Arumugam   Thamizhavel, Peter B. Littlewood, Vikram Tripathi and Mand...
cond-mat.mes-hall cond-mat.str-el