Changeset 719746 for pcp/src

Timestamp:

Apr 18, 2008, 1:30:00 PM (17 years ago)

Author:

Frederik Heber <heber@…>

Children:

f915e1

Parents:

4931e0

Message:

Added various constants for switching between units

File:

• pcp/src/defs.h (modified) (1 diff)

pcp/src/defs.h

@@ -36 +36 @@
 //#define loschmidt_constant 0.00268262 
 
+#define KelvinToAtomicTemperature 3.1668152e-06    //!< conversion factor for Kelvin to atomic temperature (Hartree over k_B)
+#define KelvinToeV 8.6173422e-05                   //!< conversion factor for Kelvin to Ht (k_B * T = energy), thus Boltzmann constant in eV/K
+#define AtomicMassUnitsToeV 931494088.        //!< conversion factor for atomic weight in units to mass in eV
+#define AtomicMassUnitsToHt 34480864.        //!< conversion factor for atomic weight in units to mass in Ht (protonmass/electronmass * electron_mass_in_Ht
+#define ElectronMass_Ht 18778.865            //!< electron mass in Ht
+#define ElectronMass_eV 510998.903           //!< electron mass in eV
+#define Units2Electronmass (AtomicMassUnitsToeV/ElectronMass_eV) //!< atomic mass unit in eV/ electron mass in eV = 1 822.88863
+#define Atomictime2Femtoseconds 0.024188843     //!< Atomictime in fs
+
 #endif