Probability density of quantum state ==================================== Probability density of a quantum system is the likelihood that the system will be in a particular position at a particular time. **Links:** #. `Wikipedia `__. .. py:currentmodule:: symplyphysics.laws.quantum_mechanics.probability_density_of_quantum_state .. py:data:: probability_density :attr:`~symplyphysics.symbols.quantum_mechanics.probability_density` of the system. Symbol: :code:`rho` Latex: :math:`\rho` Dimension: :code:`1/length` .. py:data:: wave_function :attr:`~symplyphysics.symbols.quantum_mechanics.wave_function` of the system. Symbol: :code:`psi` Latex: :math:`\psi` Dimension: :code:`1/sqrt(length)` .. py:data:: law :code:`rho = Abs(psi)^2` Latex: .. math:: \rho = \left|{\psi}\right|^{2}