Quantum Concentration

$n_Q\equiv {\left(\frac{M\tau }{2\pi {\hslash }^2}\right)}^{d/2}$

• Gives the number of particles per unit volume when the inter particle distance equals the thermal de Broglie wavelength
• $M$ is the mass of each particle in the system
• $\tau$ is the [fundamental temperature]
• $\hslash$ is the [reduced Planck constant]
• $d$ is the dimension of the gas