10 #ifndef IMPACTX_CHRPLASMALENS_H
11 #define IMPACTX_CHRPLASMALENS_H
33 static constexpr
auto name =
"ChrPlasmaLens";
54 amrex::ParticleReal
ds,
55 amrex::ParticleReal k,
57 amrex::ParticleReal
dx = 0,
58 amrex::ParticleReal
dy = 0,
59 amrex::ParticleReal rotation_degree = 0,
69 using BeamOptic::operator();
84 amrex::ParticleReal & AMREX_RESTRICT x,
85 amrex::ParticleReal & AMREX_RESTRICT y,
86 amrex::ParticleReal & AMREX_RESTRICT t,
87 amrex::ParticleReal & AMREX_RESTRICT px,
88 amrex::ParticleReal & AMREX_RESTRICT py,
89 amrex::ParticleReal & AMREX_RESTRICT pt,
90 [[maybe_unused]] uint64_t & AMREX_RESTRICT idcpu,
94 using namespace amrex::literals;
100 amrex::ParticleReal
const slice_ds =
m_ds /
nslice();
103 amrex::ParticleReal
const bet = refpart.
beta();
106 amrex::ParticleReal g =
m_k;
112 amrex::ParticleReal delta1;
113 delta1 =
sqrt(1_prt - 2_prt*pt/bet +
pow(pt,2));
114 amrex::ParticleReal
const delta = delta1 - 1_prt;
118 amrex::ParticleReal
const omega =
sqrt(std::abs(g)/delta1);
121 amrex::ParticleReal xout =
x;
122 amrex::ParticleReal yout = y;
125 amrex::ParticleReal pxout = px;
126 amrex::ParticleReal pyout = py;
127 amrex::ParticleReal
const ptout = pt;
130 amrex::ParticleReal q1 =
x;
131 amrex::ParticleReal q2 = y;
132 amrex::ParticleReal p1 = px;
133 amrex::ParticleReal p2 = py;
138 xout = cos_ods *
x + sin_ods / (omega * delta1) * px;
139 pxout = -omega * delta1 * sin_ods *
x + cos_ods * px;
141 yout = cos_ods * y + sin_ods / (omega * delta1) * py;
142 pyout = -omega * delta1 * sin_ods * y + cos_ods * py;
147 amrex::ParticleReal
const term = pt + delta/bet;
148 amrex::ParticleReal
const t0 =
t - term*slice_ds/delta1;
150 amrex::ParticleReal
const w = omega*delta1;
151 amrex::ParticleReal
const term1 = -(
pow(p2,2)-
pow(q2,2)*
pow(
w,2))*sin(2_prt*slice_ds*omega);
152 amrex::ParticleReal
const term2 = -(
pow(p1,2)-
pow(q1,2)*
pow(
w,2))*sin(2_prt*slice_ds*omega);
153 amrex::ParticleReal
const term3 = -2_prt*q2*p2*
w*cos(2_prt*slice_ds*omega);
154 amrex::ParticleReal
const term4 = -2_prt*q1*p1*
w*cos(2_prt*slice_ds*omega);
155 amrex::ParticleReal
const term5 = 2_prt*omega*(q1*p1*delta1 + q2*p2*delta1
157 t = t0 + (-1_prt+bet*pt)/(8_prt*bet*
pow(delta1,3)*omega)
158 *(term1+term2+term3+term4+term5);
180 using namespace amrex::literals;
183 amrex::ParticleReal
const x = refpart.x;
184 amrex::ParticleReal
const px = refpart.px;
185 amrex::ParticleReal
const y = refpart.y;
186 amrex::ParticleReal
const py = refpart.py;
187 amrex::ParticleReal
const z = refpart.z;
188 amrex::ParticleReal
const pz = refpart.pz;
189 amrex::ParticleReal
const t = refpart.t;
190 amrex::ParticleReal
const pt = refpart.pt;
191 amrex::ParticleReal
const s = refpart.s;
194 amrex::ParticleReal
const slice_ds =
m_ds /
nslice();
197 amrex::ParticleReal
const step = slice_ds /
sqrt(
pow(pt,2)-1.0_prt);
200 refpart.x =
x + step*px;
201 refpart.y = y + step*py;
202 refpart.z = z + step*pz;
203 refpart.t =
t - step*pt;
206 refpart.s =
s + slice_ds;
#define AMREX_FORCE_INLINE
#define AMREX_GPU_HOST_DEVICE
T_ParticleType ParticleType
AMREX_GPU_HOST_DEVICE AMREX_FORCE_INLINE std::pair< double, double > sincos(double x)
AMREX_GPU_HOST_DEVICE AMREX_FORCE_INLINE GpuComplex< T > pow(const GpuComplex< T > &a_z, const T &a_y) noexcept
AMREX_GPU_HOST_DEVICE AMREX_FORCE_INLINE GpuComplex< T > sqrt(const GpuComplex< T > &a_z) noexcept
Definition: ImpactX.cpp:33
@ t
fixed t as the independent variable
Definition: ChrPlasmaLens.H:32
static constexpr auto name
Definition: ChrPlasmaLens.H:33
AMREX_GPU_HOST_DEVICE AMREX_FORCE_INLINE void operator()(amrex::ParticleReal &AMREX_RESTRICT x, amrex::ParticleReal &AMREX_RESTRICT y, amrex::ParticleReal &AMREX_RESTRICT t, amrex::ParticleReal &AMREX_RESTRICT px, amrex::ParticleReal &AMREX_RESTRICT py, amrex::ParticleReal &AMREX_RESTRICT pt, [[maybe_unused]] uint64_t &AMREX_RESTRICT idcpu, RefPart const &refpart) const
Definition: ChrPlasmaLens.H:83
ImpactXParticleContainer::ParticleType PType
Definition: ChrPlasmaLens.H:34
int m_unit
focusing strength in 1/m^2 (or T/m)
Definition: ChrPlasmaLens.H:210
ChrPlasmaLens(amrex::ParticleReal ds, amrex::ParticleReal k, int unit, amrex::ParticleReal dx=0, amrex::ParticleReal dy=0, amrex::ParticleReal rotation_degree=0, int nslice=1)
Definition: ChrPlasmaLens.H:53
amrex::ParticleReal m_k
Definition: ChrPlasmaLens.H:209
Definition: ReferenceParticle.H:30
AMREX_GPU_HOST_DEVICE AMREX_FORCE_INLINE amrex::ParticleReal rigidity_Tm() const
Definition: ReferenceParticle.H:169
AMREX_GPU_HOST_DEVICE AMREX_FORCE_INLINE amrex::ParticleReal beta() const
Definition: ReferenceParticle.H:64
Definition: alignment.H:27
AMREX_GPU_HOST_DEVICE AMREX_FORCE_INLINE void shift_out(amrex::ParticleReal &AMREX_RESTRICT x, amrex::ParticleReal &AMREX_RESTRICT y, amrex::ParticleReal &AMREX_RESTRICT px, amrex::ParticleReal &AMREX_RESTRICT py) const
Definition: alignment.H:91
AMREX_GPU_HOST_DEVICE AMREX_FORCE_INLINE amrex::ParticleReal dx() const
Definition: alignment.H:120
AMREX_GPU_HOST_DEVICE AMREX_FORCE_INLINE void shift_in(amrex::ParticleReal &AMREX_RESTRICT x, amrex::ParticleReal &AMREX_RESTRICT y, amrex::ParticleReal &AMREX_RESTRICT px, amrex::ParticleReal &AMREX_RESTRICT py) const
Definition: alignment.H:61
AMREX_GPU_HOST_DEVICE AMREX_FORCE_INLINE amrex::ParticleReal dy() const
Definition: alignment.H:130
Definition: beamoptic.H:149
Definition: nofinalize.H:22
Thick(amrex::ParticleReal ds, int nslice)
Definition: thick.H:30
AMREX_GPU_HOST_DEVICE AMREX_FORCE_INLINE amrex::ParticleReal ds() const
Definition: thick.H:53
AMREX_GPU_HOST_DEVICE AMREX_FORCE_INLINE int nslice() const
Definition: thick.H:43
amrex::ParticleReal m_ds
Definition: thick.H:58