I used the 'gauge pressure' because thats what it is... I really dont kow how I can say that any other way.
Do you know what the difference is between gauge and absolute pressures?
When you say 'applied' pressure, that IS gauge pressure.
The liquid when subjected to -ve pressure....would expand continuously....... as soon as the pressure it is subjected to becomes less than the Saturation pressure at corresponding temperature....
but this pressure can be above the atmospheric pressure...
If you have applied a negative (gauge) pressure, the pressure in the liquid must, by definition, be lower than atmospheric.