3-NIRVANA-user-guide/3.2-User-interfaces.md

@@ -1851,7 +1851,7 @@ for coding a background magnetic field, **B**<sub>0</sub>, in the context
 of the magnetic field splitting formalism.
 **B**<sub>0</sub> must be a time-independent, divergence-free potential field, i.e.,
 
-\partial <sub>t</sub>**B**<sub>0</sub>=0,
+d**B**<sub>0</sub>/dt=0,
 
 ∇⋅**B**<sub>0</sub>=0
 
@@ -2091,6 +2091,21 @@ values (given in brackets).
 -   `REACTIONS_ATOL_T`: absolute error tolerance for the temperature in
     NCCM solver
 
+-   `HLLD_PRESSURE_CORR` ({YES,NO}): option to enable/disable the low Mach 
+    pressure correction term in the HLLD Riemann solver according to 
+    \[[MM21](3.2-User-interfaces#references)\]
+
+-   `BORIS_CORR` ({YES,NO,AUTO}): option to enable/disable the Boris correction
+    (cf. [Functionality overview](3.1-Code-basics#functionality-overview)) 
+
+-   `BORIS_CRED`: reduced speed of light in Boris correction
+
+-   `BORIS_CRED_MIN`: lower limit of reduced speed of light in units 
+    2|**v**|+c<sub>s</sub> in Boris correction
+
+-   `BORIS_AUTO_CA_MAX`: Alfven speed threshold in units 2|**v**|+c<sub>s</sub> 
+    above which the Boris correction is avtivated when `BORIS_CORR}=AUTO`
+
 **PHYSICS-RELATED MACROS**
 
 -   `CENTRIFUGAL_FORCE` ({YES,NO}): option to enable/disable the
@@ -2099,6 +2114,10 @@ values (given in brackets).
 -   `COND_FORCE_ISO` ({YES,NO}): option to force isotropy in thermal
     conduction
 
+-   `B_FIELD_SPLITTING` ({YES,NO}): option to enable/disable the magnetic 
+    field splitting formalism
+    (cf. [Functionality overview](3.1-Code-basics#functionality-overview)) 
+
 **NCCM-RELATED MACROS**
 
 -   `CR_IH`: cosmic ray ionisation rate for hydrogen
@@ -2132,9 +2151,11 @@ values (given in brackets).
 
 ### References  
 
-[CM77] L.L. Cowie and C.F. McKee. In: ApJ 211 (1977), p. 135.    
-[Zie04]  U. Ziegler. In: JCoPh 196 (2004), p. 393. doi: 10.1016/j.jcp.2003.11.003.  
-[Zie05]  U. Ziegler. In: CoPhC 170 (2005), p. 153. doi: 10.1016/j.cpc.2005.04.002.  
+[CM77] L.L. Cowie and C.F. McKee, ApJ 211, 135 (1977)
+[MM21] T. Minoshima and T. Miyoshi, arXiv:2108.04991 5, 139 (2021),
+       doi: 10.48550/arXiv.2108.04991
+[Zie04]  U. Ziegler, JCoPh 196, 393 (2004), doi: 10.1016/j.jcp.2003.11.003  
+[Zie05]  U. Ziegler, CoPhC 170, 153 (2005), doi: 10.1016/j.cpc.2005.04.002  
 
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