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eXtreme Gravity Institute
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Now accepting Applications for
- ur Physics PhD
What can we learn about Theoretical Physics with Future - - PowerPoint PPT Presentation
What can we learn about Theoretical Physics with Future - - PowerPoint PPT Presentation
What can we learn about Theoretical Physics with Future Gravitational Wave Detections? Nicolas Yunes e X treme Gravity Institute Montana State University GC2018, Yukawa Institute for Theoretical Physics March 2 nd , 2018 e X treme Gravity
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Nico’s Adinkra Nico’s Adinkra
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Cleaning up the Adinkra
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Experimental Relativity Gravity Theory Gravitational Waves
What can we learn about theoretical physics from future GW observations?
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Roadmap
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3G Physics I-Love-Q Multi-Band
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2G goes to 3G
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LHO LLO Virgo/AdV GEO KAGRA Ligo-India
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Yunes 3G Physics Multi-Band I-Love-Q
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3G Detectors
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The Parameterized post-Einsteinian Framework
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[Yunes & Pretorius, PRD 2009]
˜ h(f) = ˜ hGR(f) (1 + αf a) eiβf b
[Cornish et al PRD 84 (’11), Sampson et al PRD 87 (’13), Sampson, et al PRD 88 (’13), Sampson et al PRD 89 (’14), Yunes, Yagi & Pretorius (’16)]
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Yunes 3G Physics Multi-Band I-Love-Q
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Future ppE Constraints
˜ h(f) = ˜ hGR(f) (1 + αf a) eiβf b
Scalar Dipole Radiation Anomalous Acceleration Parity Violation Lorentz Violation
[Chamberlain & Yunes, PRD ’17]
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Yunes 3G Physics Multi-Band I-Love-Q
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Fractional Improvement with Detector Upgrade
˜ h(f) = ˜ hGR(f) (1 + αf a) eiβf b
Scalar Dipole Radiation Anomalous Acceleration Parity Violation Lorentz Violation
[Chamberlain & Yunes, PRD ’17]
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Yunes 3G Physics Multi-Band I-Love-Q
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[Chamberlain & Yunes, PRD ’17]
10−27 10−26 10−25 10−24 10−23 10−22 a L I G O V
- y
. A + C E E T
- D
N 2 A 1 N 2 A 2 N 2 A 5
Ground-based Space-based Current Bound
Constraint on mg [eV/c2] Instrument
NSNS lBHNS lBHBH BHBH GW150914 EMRI IMRI IMBH SMBH
β = π2 D Mz 1 + z m2
g
Case Study: Massive Graviton
105 times better than current bounds!!
Future Constraints on Graviton Mass
˜ h(f) = ˜ hGR(f) (1 + αf a) eiβf b
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Yunes 3G Physics Multi-Band I-Love-Q
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[Chamberlain & Yunes, PRD ’17]
Other Future Constraints
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Roadmap
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3G Physics I-Love-Q Multi-Band
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Yunes 3G Physics Multi-Band I-Love-Q
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GW150914
Multi-Band Events
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[Barausse, Yunes, Chamberlain, PRL ’16]
106 times better than current bounds!!
β = − 3 224η2/5B Case Study: Dipole Radiation
Future Multi-Band Constraints
˜ h(f) = ˜ hGR(f) (1 + αf a) eiβf b
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Roadmap
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3G Physics I-Love-Q Multi-Band
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Yunes 3G Physics Multi-Band I-Love-Q
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test-particles tidal deformations merger
Gravitational Waves from Neutron Star Binaries depend on (l1,Q1,l2,Q2)
GWs GWs and g-rays!!
Gravitational Waves Will Find Love
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Yunes 3G Physics Multi-Band I-Love-Q
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Either NICER or Binary Pulsars will measure the Moment of Inertia
Somebody will find I
Option 1: Use NICER Option 2: Use Binary Pulsars
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Yunes 3G Physics Multi-Band I-Love-Q
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I-Love-Q Relations
The moment of inertia, quadrupole moment and Love number satisfy Universal, EoS-independent relations!
[Yagi & Yunes, Science 341 2013, Yagi & Yunes, PRD 88 2013]
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I-Love-Q Test
I-Love test leads to strong constraints on modified gravity
[Yagi & Yunes, Science 341 2013, Yagi & Yunes, PRD 88 2013, Gupta et al, CQG 2017]
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Conclusions
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I-Love-Q Tests Will Allow Different And Stringent Tests (constraints on parity violation and Lorentz violation) 3G Detectors Will Allow for Precision Tests of GR (extreme gravity, clean, localized, constraint maps) Multi-Band Observations Will Be Ultimate Test (requires synchronized LISA-Earth Detector effort) If it bleeds, we can kill it!
Important Topics I Had To Leave Out: Constraints on Parity violation, on Lorentz violation Quasinormal BH (“hair”) tests Constraints on additional polarizations
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