Thema Subject Categories 1.4

Previous versions of Thema are still available 1.3 1.2 1.1 1.0.

Browse the Thema subject categories hierarchy, or search for a specific term within the hierarchy.

See the search hints below.

Notation Category heading Add Mod ?
P Mathematics and Science
Use all P* codes for: mostly academic, technical and specialist titles and some general adult works. Qualifiers are mostly not required with P* codes. DO NOT USE: code ‘P’ itself, but select specific categories from section P*.
Prefer: WN* codes for general interest adult titles where appropriate
1.4
PH Physics
PHD Classical mechanics
PHF Materials / States of matter
PHH Thermodynamics and heat
PHJ Optical physics
PHK Electricity, electromagnetism and magnetism
PHM Atomic and molecular physics
Class here: Microphysics
1.4
PHN Nuclear physics
PHP Particle and high-energy physics
PHQ Quantum physics (quantum mechanics and quantum field theory)
PHR Relativity physics
Class here: physics of time
1.2
PHS Statistical physics
PHU Mathematical physics
Class here: computational physics
1.4
PHV Applied physics

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