Struct Photon

Source

pub struct Photon {
    pub energy_joules: f64,
}

Expand description

A lightweight photon wrapper stored by energy in joules.

Fields§

§energy_joules: f64

Photon energy in joules.

Implementations§

Source §

impl Photon

Source

pub fn from_energy_joules(energy_joules: f64) -> Option<Self>

Creates a photon from non-negative finite energy in joules.

Source

pub fn from_frequency(frequency: f64) -> Option<Self>

Creates a photon from frequency.

Source

pub fn from_wavelength(wavelength: f64) -> Option<Self>

Creates a photon from wavelength.

§Examples

use use_quantum::Photon;

let photon = Photon::from_wavelength(500.0e-9).ok_or("expected valid wavelength")?;

assert!(photon.energy_joules() > 0.0);

Examples found in repository ?

examples/basic_usage.rs (line 12)

11fn main() -> Result<(), &'static str> {
12    let photon = Photon::from_wavelength(500.0e-9).ok_or("expected valid photon wavelength")?;
13    let matter_wave =
14        MatterWave::from_mass_velocity(2.0, 3.0).ok_or("expected valid matter wave")?;
15    let quantum_numbers =
16        QuantumNumbers::new(2, 1, 0, 1).ok_or("expected valid quantum numbers")?;
17
18    assert!(photon.energy_ev().ok_or("expected photon energy in eV")? > 0.0);
19    assert!(
20        matter_wave
21            .wavelength()
22            .ok_or("expected matter wavelength")?
23            > 0.0
24    );
25    assert!(approx_eq(quantum_numbers.spin_projection(), 0.5));
26    assert!(approx_eq(
27        hydrogen_energy_level_ev(1).ok_or("expected hydrogen energy level")?,
28        -RYDBERG_ENERGY_EV,
29    ));
30    assert!(approx_eq(
31        minimum_position_uncertainty(REDUCED_PLANCK_CONSTANT)
32            .ok_or("expected minimum uncertainty")?,
33        0.5,
34    ));
35
36    Ok(())
37}

Source

pub const fn energy_joules(&self) -> f64

Returns the photon energy in joules.

Source

pub fn energy_ev(&self) -> Option<f64>

Returns the photon energy in electron volts.

Examples found in repository ?

examples/basic_usage.rs (line 18)

11fn main() -> Result<(), &'static str> {
12    let photon = Photon::from_wavelength(500.0e-9).ok_or("expected valid photon wavelength")?;
13    let matter_wave =
14        MatterWave::from_mass_velocity(2.0, 3.0).ok_or("expected valid matter wave")?;
15    let quantum_numbers =
16        QuantumNumbers::new(2, 1, 0, 1).ok_or("expected valid quantum numbers")?;
17
18    assert!(photon.energy_ev().ok_or("expected photon energy in eV")? > 0.0);
19    assert!(
20        matter_wave
21            .wavelength()
22            .ok_or("expected matter wavelength")?
23            > 0.0
24    );
25    assert!(approx_eq(quantum_numbers.spin_projection(), 0.5));
26    assert!(approx_eq(
27        hydrogen_energy_level_ev(1).ok_or("expected hydrogen energy level")?,
28        -RYDBERG_ENERGY_EV,
29    ));
30    assert!(approx_eq(
31        minimum_position_uncertainty(REDUCED_PLANCK_CONSTANT)
32            .ok_or("expected minimum uncertainty")?,
33        0.5,
34    ));
35
36    Ok(())
37}