any branch of physics, specially modern physics, i.e., quantum mechanics, statistical mechanics, classical mechanics, atomic and nuclear physics, solid state physics, thermodynamics, electricity & magnetism etc.
Techniques Arnab Sen Uses:
depends on the problem itself. if a formula is used, then i try to explain it in very brief and if any important result is obtained i always try to explain that briefly even if the problem does not demands that. it does help the reader to grow concept.
Arnab Sen's Problem Solving Skills:
have experience in problem solving for more than 4 years
Arnab Sen's Problem Solving Experience:
i am solving physics problems (content writing) for more than 4 years for a famous company.
I am doing research in the field of nuclear astrophysics for about 3 years.