Speed of sound from fundamental physical constants
K. Trachenko, B. Monserrat, C. J. Pickard, V. V. Brazhkin
Abstract
is the speed of light in vacuum. We support this result by a large set of experimental data and first-principles computations for atomic hydrogen. Our result expands the current understanding of how fundamental constants can impose new bounds on important physical properties.
Topics & Concepts
Dimensionless quantityPhysical constantConstant (computer programming)ComputationPhysicsSpeed of soundPoint (geometry)Upper and lower boundsSet (abstract data type)Statistical physicsClassical mechanicsSound (geography)AcousticsCurrent (fluid)Mathematical analysisFine-structure constantTime constantTheoretical physicsSpeed of light (cellular automaton)MechanicsAtomic massBound stateQuantum mechanicsComputer scienceSet pointComputational physicsAdvanced Thermodynamics and Statistical MechanicsAdvanced Physical and Chemical Molecular InteractionsQuantum and Classical Electrodynamics