Final touches on docs to discuss temperature in overdamped dynamics.

doc/src/fix_bd_asphere.rst

@@ -61,7 +61,7 @@ the angular velocity vector.
 
 See :doc:`fix bd/sphere <fix_bd_sphere>` for discussion on the
 values of :math:`\gamma_t`, :math:`\gamma_r`, :math:`D_t`,
-and :math:`D_r` when simulating equilibrium systems.
+:math:`D_r`, and temperature when simulating equilibrium systems.
 
 
 If the *rng* keyword is used with the *uniform* value, then the noise

doc/src/fix_bd_sphere.rst

@@ -85,6 +85,16 @@ section 7.4).
 
 ---------
 
+.. note::
+   Temperature computation using the :doc:`compute temp <compute_temp>`
+   will not correctly compute temperature of these overdamped dynamics
+   since we are explicitly neglecting inertial effects.
+   See e.g. chapter 6 of :ref:`(Doi) <Doi1>` for more details on this.
+   Temperature is instead defined in terms of the note above (for
+   equilibrium systems).
+
+---------
+
 .. note::
    The diffusion coefficient :math:`D_t` is measured
    in units of (length*length)/time and the diffusion coefficient
@@ -172,6 +182,10 @@ The default for *rng* is *uniform*.
 **(Callegari)** Callegari and Volpe, *Numerical Simulations of Active Brownian
 Particles*, Flowing Matter, 211-238 (2019).
 
+.. _Doi1:
+
+**(Doi)** Doi, Soft Matter Physics (2013).
+
 .. _Dunweg6:
 
 **(Dunweg)** Dunweg and Paul, Int J of Modern Physics C, 2, 817-27 (1991).