P2HePCJS

java.lang.Object
- etomica.potential.Potential
- - etomica.potential.Potential2
  - - etomica.potential.Potential2SoftSpherical
    - - etomica.potential.P2HePCJS

All Implemented Interfaces:

IPotential, IPotentialAtomic, Potential2Soft, Potential2Spherical, PotentialSoft
```
public class P2HePCJS
extends Potential2SoftSpherical
```
pair potential for Helium Przybytek et al. (2017) Phys. Rev. Lett. 119, 123401.

Field Summary

Fields
Modifier and Type	Field	Description
`protected double[]`	`a_AD`
`protected double[]`	`a_BO`
`protected double[]`	`a_QED`
`protected double[]`	`a_REL`
`protected double[][]`	`aS_AD`
`protected double[][]`	`aS_BO`
`protected double[][]`	`aS_QED`
`protected double[][]`	`aS_REL`
`protected double[]`	`C_AD`
`protected double[]`	`C_BO`
`protected double[]`	`C_QED`
`protected double[]`	`C_REL`
`protected int`	`I0_AD`
`protected int`	`I0_BO`
`protected int`	`I0_QED`
`protected int`	`I0_REL`
`protected int`	`I1_AD`
`protected int`	`I1_BO`
`protected int`	`I1_QED`
`protected int`	`I1_REL`
`protected int`	`M_AD`
`protected int`	`M_BO`
`protected int`	`M_QED`
`protected int`	`M_REL`
`protected int`	`N0_AD`
`protected int`	`N0_BO`
`protected int`	`N0_QED`
`protected int`	`N0_REL`
`protected int`	`N1_AD`
`protected int`	`N1_BO`
`protected int`	`N1_QED`
`protected int`	`N1_REL`
`protected double[][]`	`P_AD`
`protected double[][]`	`P_BO`
`protected double[][]`	`P_QED`
`protected double[][]`	`P_REL`
`protected double`	`sigma`
`protected double`	`zeta_AD`
`protected double`	`zeta_BO`
`protected double`	`zeta_QED`
`protected double`	`zeta_REL`

Fields inherited from class etomica.potential.Potential
space

Fields inherited from class etomica.potential.Potential2SoftSpherical
boundary, dr, gradient

Constructor Summary

Constructors
Constructor Description

P2HePCJS(Space space)

P2HePCJS(Space space, double sigma)

Constructors
Constructor	Description
`P2HePCJS(Space space)`
`P2HePCJS(Space space, double sigma)`

Method Summary

All Methods Static Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`double`	`d2u(double r2)`	The second derivative of the pair energy, times the square of the separation: r^2 d^2u/dr^2.
`double`	`du(double r2)`	The derivative r*du/dr.
`double`	`formSigma(double R, double[][] myAS)`
`static void`	`main(java.lang.String[] args)`
`double`	`sigma(double R)`
`double`	`sigma_AD(double R)`
`double`	`sigma_BO(double R)`
`double`	`sigma_QED(double R)`
`double`	`sigma_REL(double R)`
`double`	`u(double r2)`	The pair energy u(r^2) with no truncation applied.
`double`	`uInt(double rC)`	Integral used for corrections to potential truncation.

Methods inherited from interface etomica.potential.IPotential
nBody

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Methods inherited from class etomica.potential.Potential
nBody

Methods inherited from class etomica.potential.Potential2SoftSpherical
energy, getRange, gradient, gradient, hyperVirial, integral, setBox, virial

Field Detail

M_BO
```
protected final int M_BO
```

I0_BO
```
protected final int I0_BO
```

I1_BO
```
protected final int I1_BO
```

N0_BO
```
protected final int N0_BO
```

N1_BO
```
protected final int N1_BO
```

a_BO
```
protected final double[] a_BO
```

P_BO
```
protected final double[][] P_BO
```

zeta_BO
```
protected final double zeta_BO
```

C_BO
```
protected final double[] C_BO
```

M_AD
```
protected final int M_AD
```

I0_AD
```
protected final int I0_AD
```

I1_AD
```
protected final int I1_AD
```

N0_AD
```
protected final int N0_AD
```

N1_AD
```
protected final int N1_AD
```

a_AD
```
protected final double[] a_AD
```

P_AD
```
protected final double[][] P_AD
```

zeta_AD
```
protected final double zeta_AD
```

C_AD
```
protected final double[] C_AD
```

M_REL
```
protected final int M_REL
```

I0_REL
```
protected final int I0_REL
```

I1_REL
```
protected final int I1_REL
```

N0_REL
```
protected final int N0_REL
```

N1_REL
```
protected final int N1_REL
```

a_REL
```
protected final double[] a_REL
```

P_REL
```
protected final double[][] P_REL
```

zeta_REL
```
protected final double zeta_REL
```

C_REL
```
protected final double[] C_REL
```

M_QED
```
protected final int M_QED
```

I0_QED
```
protected final int I0_QED
```

I1_QED
```
protected final int I1_QED
```

N0_QED
```
protected final int N0_QED
```

N1_QED
```
protected final int N1_QED
```

a_QED
```
protected final double[] a_QED
```

P_QED
```
protected final double[][] P_QED
```

zeta_QED
```
protected final double zeta_QED
```

C_QED
```
protected final double[] C_QED
```

aS_BO
```
protected final double[][] aS_BO
```

aS_AD
```
protected final double[][] aS_AD
```

aS_REL
```
protected final double[][] aS_REL
```

aS_QED
```
protected final double[][] aS_QED
```

sigma
```
protected final double sigma
```

Constructor Detail

P2HePCJS
```
public P2HePCJS(Space space)
```

P2HePCJS

public P2HePCJS(Space space,
                double sigma)

Method Detail
- sigma_BO
```
public double sigma_BO(double R)
```
- sigma_AD
```
public double sigma_AD(double R)
```
- sigma_REL
```
public double sigma_REL(double R)
```
- sigma_QED
```
public double sigma_QED(double R)
```
- sigma
```
public double sigma(double R)
```
- formSigma
```
public double formSigma(double R,
                        double[][] myAS)
```
- u
```
public double u(double r2)
```
  Description copied from interface: Potential2Spherical
  
  The pair energy u(r^2) with no truncation applied.
  
  Parameters:
  
  r2 - square of the distance in Angstrom^2.
  
  Returns:
  
  energy u.
- du
```
public double du(double r2)
```
  The derivative r*du/dr.
  
  Specified by:
  
  du in interface Potential2Soft
  
  Specified by:
  
  du in class Potential2SoftSpherical
- d2u
```
public double d2u(double r2)
```
  The second derivative of the pair energy, times the square of the separation: r^2 d^2u/dr^2.
  
  Specified by:
  
  d2u in class Potential2SoftSpherical
- uInt
```
public double uInt(double rC)
```
  Integral used for corrections to potential truncation.
  
  Specified by:
  
  uInt in class Potential2SoftSpherical
- main
```
public static void main(java.lang.String[] args)
```

Class P2HePCJS

Field Summary

Fields inherited from class etomica.potential.Potential

Fields inherited from class etomica.potential.Potential2SoftSpherical

Constructor Summary

Method Summary

Methods inherited from interface etomica.potential.IPotential

Methods inherited from class java.lang.Object

Methods inherited from class etomica.potential.Potential

Methods inherited from class etomica.potential.Potential2SoftSpherical

Field Detail

M_BO

I0_BO

I1_BO

N0_BO

N1_BO

a_BO

P_BO

zeta_BO

C_BO

M_AD

I0_AD

I1_AD

N0_AD

N1_AD

a_AD

P_AD

zeta_AD

C_AD

M_REL

I0_REL

I1_REL

N0_REL

N1_REL

a_REL

P_REL

zeta_REL

C_REL

M_QED

I0_QED

I1_QED

N0_QED

N1_QED

a_QED

P_QED

zeta_QED

C_QED

aS_BO

aS_AD

aS_REL

aS_QED

sigma

Constructor Detail

P2HePCJS

P2HePCJS

Method Detail

sigma_BO

sigma_AD

sigma_REL

sigma_QED

sigma

formSigma

u

du

d2u

uInt

main