ye wang - uga...ye wang !-2-1.5-1-0.5 0 100 105 1010 1015 1020 log 10 (n(hii)/n(h) density (cm-3) t...

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Page 1: Ye Wang - UGA...Ye Wang !-2-1.5-1-0.5 0 100 105 1010 1015 1020 log 10 (n(HII)/n(H) Density (cm-3) T = 12600 K Simulation Result 2-level System Saha Equation Ionization Shift due to

Ye Wang

Page 2: Ye Wang - UGA...Ye Wang !-2-1.5-1-0.5 0 100 105 1010 1015 1020 log 10 (n(HII)/n(H) Density (cm-3) T = 12600 K Simulation Result 2-level System Saha Equation Ionization Shift due to

-2

-1.5

-1

-0.5

0

100 105 1010 1015 1020

log 1

0(n(

HII)

/n(H

)

Density (cm-3)

T = 12600 K

Simulation Result2-level SystemSaha Equation

Ionization Shift due to Density

Page 3: Ye Wang - UGA...Ye Wang !-2-1.5-1-0.5 0 100 105 1010 1015 1020 log 10 (n(HII)/n(H) Density (cm-3) T = 12600 K Simulation Result 2-level System Saha Equation Ionization Shift due to

0.01

0.03

0.05

5 10 15 20 25 30

n HII/

n H

Metallicity (Zsun)

T = 12600 K

All ElementsAll Elements Except Mg

Only H&Mg

Ionization Shift due to Metallicity

Page 4: Ye Wang - UGA...Ye Wang !-2-1.5-1-0.5 0 100 105 1010 1015 1020 log 10 (n(HII)/n(H) Density (cm-3) T = 12600 K Simulation Result 2-level System Saha Equation Ionization Shift due to

� Primordial Case

10^{-35}

10^{-30}

10^{-25}

10^{-20}

10^{-15}

10^{-10}

10^{-5}

10^{0}

10^{1} 10^{2} 10^{3} 10^{4}

Coo

lling

Rat

e (e

rg s

^{-1

} cm

^{-3

})

Temperature (K)

primordial

n_{H}=1cm^{-3}n_{H}=10^{2}cm^{-3}n_{H}=10^{4}cm^{-3}n_{H}=10^{6}cm^{-3}n_{H}=10^{8}cm^{-3}

n_{H}=10^{10}cm^{-3}

Page 5: Ye Wang - UGA...Ye Wang !-2-1.5-1-0.5 0 100 105 1010 1015 1020 log 10 (n(HII)/n(H) Density (cm-3) T = 12600 K Simulation Result 2-level System Saha Equation Ionization Shift due to

1e-35

1e-30

1e-25

1e-20

1e-15

1e-10

1e-05

1

10 100 1000 10000

Coo

lling

Rat

e

Temperature (K)

primordial_crb-4

n_{H}=1cm^{-3}n_{H}=10^{2}cm^{-3}n_{H}=10^{4}cm^{-3}n_{H}=10^{6}cm^{-3}n_{H}=10^{8}cm^{-3}

n_{H}=10^{10}cm^{-3}

Primordial Case with low CRB

Page 6: Ye Wang - UGA...Ye Wang !-2-1.5-1-0.5 0 100 105 1010 1015 1020 log 10 (n(HII)/n(H) Density (cm-3) T = 12600 K Simulation Result 2-level System Saha Equation Ionization Shift due to

1e-35

1e-30

1e-25

1e-20

1e-15

1e-10

1e-05

1

10 100 1000 10000

Coo

lling

Rat

e

Temperature (K)

primordial

n_{H}=1cm^{-3}n_{H}=10^{2}cm^{-3}n_{H}=10^{4}cm^{-3}n_{H}=10^{6}cm^{-3}n_{H}=10^{8}cm^{-3}

n_{H}=10^{10}cm^{-3}

Primordial Case with Low CRB and High CMB

Page 7: Ye Wang - UGA...Ye Wang !-2-1.5-1-0.5 0 100 105 1010 1015 1020 log 10 (n(HII)/n(H) Density (cm-3) T = 12600 K Simulation Result 2-level System Saha Equation Ionization Shift due to

10^{-40}

10^{-35}

10^{-30}

10^{-25}

10^{-20}

10^{-15}

10 100 1000 10000

H2C

oollin

g R

ate

Temperature (K)

primordial_crb-4_cmb20

n_{H}=1cm^{-3}n_{H}=10^{2}cm^{-3}n_{H}=10^{4}cm^{-3}n_{H}=10^{6}cm^{-3}n_{H}=10^{8}cm^{-3}

n_{H}=10^{10}cm^{-3}

H2 Cooling at high CMB

Page 8: Ye Wang - UGA...Ye Wang !-2-1.5-1-0.5 0 100 105 1010 1015 1020 log 10 (n(HII)/n(H) Density (cm-3) T = 12600 K Simulation Result 2-level System Saha Equation Ionization Shift due to

10^{-40}

10^{-35}

10^{-30}

10^{-25}

10^{-20}

10^{-15}

10 100 1000 10000

H2

Coo

lling

Rat

e

Temperature (K)

primordial_crb-4

n_{H}=1cm^{-3}n_{H}=10^{2}cm^{-3}n_{H}=10^{4}cm^{-3}n_{H}=10^{6}cm^{-3}n_{H}=10^{8}cm^{-3}

n_{H}=10^{10}cm^{-3}

H2 Cooling at low CMB

Page 9: Ye Wang - UGA...Ye Wang !-2-1.5-1-0.5 0 100 105 1010 1015 1020 log 10 (n(HII)/n(H) Density (cm-3) T = 12600 K Simulation Result 2-level System Saha Equation Ionization Shift due to

� H2 Cooling problem at 4000K

1.00E-23

1.00E-22

1.00E-21

1.00E-20

1.00E-19

1.00E-18

1.00E-17 1.00E+00 1.00E+01 1.00E+02 1.00E+03 1.00E+04 1.00E+05 1.00E+06 1.00E+07 1.00E+08 1.00E+09 1.00E+10

W

W

Page 10: Ye Wang - UGA...Ye Wang !-2-1.5-1-0.5 0 100 105 1010 1015 1020 log 10 (n(HII)/n(H) Density (cm-3) T = 12600 K Simulation Result 2-level System Saha Equation Ionization Shift due to

1e-12

1e-10

1e-08

1e-06

0.0001

0.01

1

10 100 1000 10000

H2

Temperature (K)

primordial_crb-4

n_{H}=1cm^{-3}n_{H}=10^{2}cm^{-3}n_{H}=10^{4}cm^{-3}n_{H}=10^{6}cm^{-3}n_{H}=10^{8}cm^{-3}

n_{H}=10^{10}cm^{-3}

H2 fraction at low CMB

Page 11: Ye Wang - UGA...Ye Wang !-2-1.5-1-0.5 0 100 105 1010 1015 1020 log 10 (n(HII)/n(H) Density (cm-3) T = 12600 K Simulation Result 2-level System Saha Equation Ionization Shift due to

1e-12

1e-10

1e-08

1e-06

0.0001

0.01

1

10 100 1000 10000

H2

Temperature (K)

primordial_crb-4_cmb20

n_{H}=1cm^{-3}n_{H}=10^{2}cm^{-3}n_{H}=10^{4}cm^{-3}n_{H}=10^{6}cm^{-3}n_{H}=10^{8}cm^{-3}

n_{H}=10^{10}cm^{-3}

H2 fraction at High CMB

Page 12: Ye Wang - UGA...Ye Wang !-2-1.5-1-0.5 0 100 105 1010 1015 1020 log 10 (n(HII)/n(H) Density (cm-3) T = 12600 K Simulation Result 2-level System Saha Equation Ionization Shift due to

10^{-40}

10^{-35}

10^{-30}

10^{-25}

10^{-20}

10 100 1000 10000

HD

Coo

lling

Rat

e

Temperature (K)

primordial_crb-4_cmb20

n_{H}=1cm^{-3}n_{H}=10^{2}cm^{-3}n_{H}=10^{4}cm^{-3}n_{H}=10^{6}cm^{-3}n_{H}=10^{8}cm^{-3}

n_{H}=10^{10}cm^{-3}

HD Cooling at high CMB

Page 13: Ye Wang - UGA...Ye Wang !-2-1.5-1-0.5 0 100 105 1010 1015 1020 log 10 (n(HII)/n(H) Density (cm-3) T = 12600 K Simulation Result 2-level System Saha Equation Ionization Shift due to

10^{-40}

10^{-35}

10^{-30}

10^{-25}

10^{-20}

10 100 1000 10000

HD

Coo

lling

Rat

e

Temperature (K)

primordial_crb-4

n_{H}=1cm^{-3}n_{H}=10^{2}cm^{-3}n_{H}=10^{4}cm^{-3}n_{H}=10^{6}cm^{-3}n_{H}=10^{8}cm^{-3}

n_{H}=10^{10}cm^{-3}

HD Cooling at low CMB

Page 14: Ye Wang - UGA...Ye Wang !-2-1.5-1-0.5 0 100 105 1010 1015 1020 log 10 (n(HII)/n(H) Density (cm-3) T = 12600 K Simulation Result 2-level System Saha Equation Ionization Shift due to

10^{-30}

10^{-25}

10^{-20}

10^{-15}

10^{-10}

10^{-5}

10^{0}

10^{1} 10^{2} 10^{3} 10^{4}

Coo

lling

Rat

e (e

rg s

^{-1

} cm

^{-3

})

Temperature (K)

z1-cooling

n_{H}=1cm^{-3}n_{H}=10^{2}cm^{-3}n_{H}=10^{4}cm^{-3}n_{H}=10^{6}cm^{-3}n_{H}=10^{8}cm^{-3}

n_{H}=10^{10}cm^{-3}

Solar Abundance Cases

Page 15: Ye Wang - UGA...Ye Wang !-2-1.5-1-0.5 0 100 105 1010 1015 1020 log 10 (n(HII)/n(H) Density (cm-3) T = 12600 K Simulation Result 2-level System Saha Equation Ionization Shift due to

� z=1z_{sun}

10^{1}10^{2}

10^{3}10^{4}

Temperature (K) 10^{0}10^{2}

10^{4}10^{6}

10^{8}10^{10}

Density (cm^{-3})

-9-8-7-6-5-4-3-2-1 0

-9-8-7-6-5-4-3-2-1 0

Molecular Cooling at Z=1

Page 16: Ye Wang - UGA...Ye Wang !-2-1.5-1-0.5 0 100 105 1010 1015 1020 log 10 (n(HII)/n(H) Density (cm-3) T = 12600 K Simulation Result 2-level System Saha Equation Ionization Shift due to

� z=-4z_{sun}

10^{1}10^{2}

10^{3}10^{4}

Temperature (K) 10^{0}10^{2}

10^{4}10^{6}

10^{8}10^{10}

Density (cm^{-3})

-12-10-8-6-4-2 0

-12

-10

-8

-6

-4

-2

0

Molecular Cooling at Z=-4

Page 17: Ye Wang - UGA...Ye Wang !-2-1.5-1-0.5 0 100 105 1010 1015 1020 log 10 (n(HII)/n(H) Density (cm-3) T = 12600 K Simulation Result 2-level System Saha Equation Ionization Shift due to

� z=10z_{sun}

10^{1}10^{2}

10^{3}10^{4}

Temperature (K) 10^{0}10^{2}

10^{4}10^{6}

10^{8}10^{10}

Density (cm^{-3})

-9-8-7-6-5-4-3-2-1 0

-9-8-7-6-5-4-3-2-1 0

Molecular Cooling at Z=10

Page 18: Ye Wang - UGA...Ye Wang !-2-1.5-1-0.5 0 100 105 1010 1015 1020 log 10 (n(HII)/n(H) Density (cm-3) T = 12600 K Simulation Result 2-level System Saha Equation Ionization Shift due to

10-29

10-28

10-27

10-26

10-25

10-24

101 102 103 104

Coo

lling

Rat

e (e

rg s

-1 c

m-3

)

Temperature (K)

n = 1 cm-3

z=1z=10z=-2z=-4z=3z=5

Normalized Cooling n=1

Page 19: Ye Wang - UGA...Ye Wang !-2-1.5-1-0.5 0 100 105 1010 1015 1020 log 10 (n(HII)/n(H) Density (cm-3) T = 12600 K Simulation Result 2-level System Saha Equation Ionization Shift due to

� Normalized Cooling n=4

10-22

10-21

10-20

10-19

10-18

10-17

10-16

101 102 103 104

Coo

lling

Rat

e (e

rg s

-1 c

m-3

)

Temperature (K)

n = 104 cm-3

z=1z=10z=-2z=-4z=3z=5

Page 20: Ye Wang - UGA...Ye Wang !-2-1.5-1-0.5 0 100 105 1010 1015 1020 log 10 (n(HII)/n(H) Density (cm-3) T = 12600 K Simulation Result 2-level System Saha Equation Ionization Shift due to

10-12

10-11

10-10

10-9

10-8

10-7

10-6

101 102 103 104

Coo

lling

Rat

e (e

rg s

-1 c

m-3

)

Temperature (K)

n = 1010 cm-3

z=1z=10z=-2z=-4z=5

Normalized Cooling n=10

Page 21: Ye Wang - UGA...Ye Wang !-2-1.5-1-0.5 0 100 105 1010 1015 1020 log 10 (n(HII)/n(H) Density (cm-3) T = 12600 K Simulation Result 2-level System Saha Equation Ionization Shift due to

0.0e+00

1.0e-09

2.0e-09

3.0e-09

4.0e-09

5.0e-09

60 80 100 120 140 160 180 200

Coo

lling

Rat

e (e

rg s

-1 c

m-3

)

Temperature (K)

z=1zsun

Cooling Rate/HI densitynH=1010cm-3

Bump around 140K

Page 22: Ye Wang - UGA...Ye Wang !-2-1.5-1-0.5 0 100 105 1010 1015 1020 log 10 (n(HII)/n(H) Density (cm-3) T = 12600 K Simulation Result 2-level System Saha Equation Ionization Shift due to

10-29

10-28

10-27

10-26

10-25

10-24

10-23

10-22

101 102 103 104

Coo

lling

Rat

e (e

rg s

-1 c

m-3

)

Temperature (K)

z=1zsun

crb0crb-2crb-4crb-6crb-8

CRB’s effects on Cooling