Phonon Scientific work Together Commentary

Igor Tamm physics

Phonon

• Igor Tamm
• proposed
• that an excited
• state
• of interacting
• particles
• in a solid
• or liquid
• would form
• a quasiparticle
• and vibrate
• at a common
• frequency.

Scientific work

• Igor Tamm proposed
• the concept of surface states,
• electronic states
• found only near surfaces,
• and the idea that protons
• interact with neutrons
• by exchanging massive particles
• later called mesons.
• He worked with Ilya Frank
• to explain Cherenkov radiation
• using Einstein’s
• special theory of relativity.
• He led the Soviet’s
• effort to build a hydrogen bomb
• in the secret city
• of Sarov,
• and with Andrei Sakharov
• he proposed the tokamak
• for magnetic confinement
• of thermonuclear fusion.

Together

• Get close
• vibrate together
• act as one
• makes sound
• makes heat
• makes love and fury