Constants¶

Constants (like hbar) related to quantum mechanics.

class sympy.physics.quantum.constants.HBar(*args, **kwargs)[source]¶

Reduced Plank’s constant in numerical and symbolic form [R589].

Examples

>>> from sympy.physics.quantum.constants import hbar
>>> hbar.evalf()
1.05457162000000e-34

References

[R589] (1,2)