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We show that density fluctuations during phase transitions in pulsar coresmay have non-trivial effects on pulsar timings, and may also possibly accountfor glitches and anti-glitches. These density fluctuations invariably lead tonon-zero off-diagonal components of the moment of inertia, leading to transientwobbling of star. Thus, accurate measurements of pulsar timing and intensitymodulations (from wobbling) may be used to identify the specific pattern ofdensity fluctuations, hence the particular phase transition, occurring insidethe pulsar core. Changes in quadrupole moment from rapidly evolving densityfluctuations during the transition, with very short time scales, may provide anew source for gravitational waves.

Effects of Phase Transition induced density fluctuations on pulsar dynamics