Stability of Electron-Hole Drops in Germanium under Uniaxial Stress

The cohesive energy of the electron-hole drop in germanium at 1.5 K is determined as a function of uniaxial stress, both along $〈100〉$ and along $〈111〉$ directions, by the method of cyclotron-resonance monitoring at 35 GHz. On application of stress, it starts decreasing from the value of 14.5 K at zero stress, but has an air of persisting to have a finite value at a considerably high-stress region.