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KITP program for the current week


WEEK 1

Monday June 3

10:30 - 11:30
Room 1403

Meet and greet

14:15 - 15:15
Seminars
Room 1403
Zoom link

1/ Kinetics for gravity
Eugene Vasiliev
2/ Kinetics (and fluid dynamics) of astrophysical plasmas
Archie Bott
Ref1

Tuesday June 4

11:15 - 12:30
Discussion
Room 1201

Stellar dynamics in the periodic cube
John Magorrian
Ref1, Ref2, Ref3

18:30 -
Munger

BBQ

Wednesday June 5

11:15 - 12:30
Discussion
Room 1403

Galactokinetics, or, why dynamics is hard and what we can do about it
Chris Hamilton
Ref1

Thursday June 6

11:15 - 12:30
Discussion
Room 1403

The role of stochastic excitation in driving structure
Martin Weinberg
Ref1, Ref2, Ref3, Ref4, Ref5, Ref6

Friday June 7

11:30 - 12:45

Room 1403

Bubble induced orbital diffusion in cusps bars and disc: what happens when you are desperate
Christophe Pichon
Ref1, Ref2, Ref3, Ref4

15:30 - 16:15
Impromptu
Courtyard

Thermalisation close to marginal stability
Jean-Baptiste Fouvry


WEEK 2

Monday June 10

12:15 - 13:15
Blackboard
Kavli Audit.

“The original is unfaithful to the translation”: Kinetic theory, from Plasmaish to Galacticese
Matt Kunz, Jean-Baptiste Fouvry
Part1, Part2, Ref1

14:15 - 15:30
Seminars
Room 1403
Zoom link

1/ Direct summation methods for the gravitational N-body problem
Rainer Spurzem
Ref1, Ref2, Ref3, Ref4, Ref5, Ref6, Ref7, Ref8
2/ Rotation drive by high-frequency plasma waves: dephasing and momentum conservation
Ian Ochs
Ref1, Ref2, Ref3, Ref4, Ref5, Ref6, Video1, Video2

18:30 -
Munger

BBQ

Tuesday June 11

11:30 - 12:45
Discussion
Room 1403

Structure-preserving numerics
Hong Qin
Ref1 (Secs. 3-4), Ref2 (Secs. 1-3), Ref3 (Appendix)

15:15 - 16:15
Impromptu
Founder's

Outstanding problems in Saturn’s rings
Glen Stewart

Wednesday June 12

11:30 - 12:45
Discussion
Room 1403

Turbulence
Jono Squire
Ref1, Ref2, Ref3, Ref4

16:00 -
Courtyard

KITP drinks

Thursday June 13

10:00 - 11:30
Seminars
DarkMatter24
Room 1403

1/How well do we have gravothermal phases in self-interacting dark matter halos?
D. Yang
2/ SIDM subhalos and satellite galaxies: evolution and diversity
Z. Zeng

11:30 - 12:45
Discussion
Room 1403

Phase mixing pendula and galactic structure
Tomer Yavetz
Ref1, Ref2, Ref3

15:15 - 16:15
Impromptu
Founder's

Groove instabilities
Chris Hamilton

Friday June 14

11:30 - 12:45
Discussion
Room 1403

Stochastic echos in Vlasov-Poisson plasmas
Toby Adkins
Ref1, Ref2, Ref3

15:30 - 16:15
Impromptu
Founder's

Nonlinear phase mixing
Jono Squire


WEEK 3

Monday June 17

10:30 - 11:30
Room 1403

Meet and greet

12:15 - 13:15
Blackboard
Kavli Audit.

Dark Matter Physics in the Sky
Ethan Nadler

14:15 - 15:30
Seminars
Room 1403
Zoom link

1/ Particle acceleration in reconnection and turbulence
Dmitri Uzdensky

Ref1, Ref2, Ref3, Ref4
2/Dynamics of disk galaxies and their cosmological context
Robyn Sanderson
Ref1, Ref2, Ref3, Ref4, Ref5, Movies

18:30 -
Munger

BBQ

Tuesday June 18

11:30 - 12:45
Discussion
Room 1403

Gen Z functions
Plamen Ivanov
Ref1, Ref2, Ref3, Ref4

15:30 - 16:15
Impromptu
Founder's

Hermite integration and classical regularization after Levi-Civita
Rainer Spurzem

Wednesday June 19

Juneteenth holiday

17:00 - 17:45
Impromptu
Munger

Generalized plasma dispersion function
Plamen Ivanov

18:30 -
Munger

Potluck

Thursday June 20

11:30 - 12:45
Discussion
Room 1403

Quasilinear relaxation of collisionless plasmas and self-gravitating systems
Uddipan Banik
Ref1 (Chap. 3), Ref2, Ref3, Ref4 (Chaps. 4.3, 5.2)

15:30 - 16:15
Impromptu
Founder's

Structure-preserving numerical integration
Hong Qin

Friday June 21

11:30 - 12:45
Discussion
Room 1403

Linear response theory of self-gravitating systems
Mike Petersen
Ref1, Ref2, Ref3, Ref4

15:30 - 16:15
Impromptu
Founder's

Transport in collisional and collisionless plasma
Prakriti Pal Choudhury


WEEK 4

Monday June 24

10:30 - 11:30
Room 1403

Meet and greet

13:45 - 15:15
Seminars
Room 1403
Zoom link

1/ Field-particle correlations
Emily Lichko
Ref1, Ref2
2/ Vector Resonant Relaxation
Jean-Baptiste Fouvry
Ref1, Ref2, Ref3, Ref4, Ref5, Ref6

18:30 -
Munger

BBQ

Tuesday June 25

11:30 - 12:45
Discussion
Room 1403

Bernstein-Greene-Kruskal modes, what are they, and why are they tilted
Wrick Sengupta
Ref1, Ref2, Ref3, Ref4

15:30 - 16:15
Impromptu
Founder's

Landau damping in weakly collisional plasmas and galaxies: new results in old problems
Amitava Bhattacharjee
Ref1, Ref2, Ref3, Ref4, Ref5, Ref6, Ref7

Wednesday June 26

11:30 - 12:45
Discussion
Room 1403

Traversing the Slopes of Phase Space with ALPS: Linear Dispersion Relations from Plasma Peaks to Gravitational Valleys
Kris Klein
Notes, Ref1, Ref2, Ref3

16:00 - 16:45
Impromptu
Founder's

Computing plasma dispersion function -- Continued
Kris Klein

17:00 -
Courtyard

KITP Wine and Cheese

Thursday June 27

11:30 - 12:45
Discussion
Room 1403

1/Fully self-consistent collisional relaxation in spherical and axisymmetric stellar systems
Rainer Spurzem
Notes, Ref1, Ref2, Ref3, Ref4, Ref5, Ref6
2/ Orbit-averaged Chandrasekhar theory in globular clusters
Kerwann Tep
Ref1, Ref2, Ref3, Ref4, Ref5

15:30 - 16:15
Impromptu
Founder's

Balescu-Lenard at marginal stability
Anwar El Rhirhayi
Ref1, Ref2, Ref3

Friday June 28

11:30 - 12:45
Discussion
Room 1403

Nonlinear wave-particle interaction in galaxies
Rimpei Chiba
Notes, Ref1, Ref2, Ref3, Ref4

15:30 - 16:15
Impromptu
Founder's

Bars
Eugene Vasiliev


WEEK 5

Monday July 1

10:30 - 11:30
Room 1403

Meet and greet

13:45 - 15:15
Seminars
Room 1403
Zoom link

1/ Phase space cascades in (simulations of) plasma turbulence
Silvio Cerri
Ref1, Ref2, Ref3, Ref4, Ref5
2/ Monte Carlo methods for stellar dynamics
Carl Rodriguez
Ref1 (section 2), Ref2, Ref3, Ref4, Ref5

18:30 -
Munger

BBQ

Tuesday July 2

11:30 - 12:45
Discussion
Room 1403

Some aspects of orbit-averaging in quasi-Keplerian systems
Scott Tremaine
Notes, Ref1, Ref2

15:30 - 16:15
Impromptu
Founder's

Why Rosenbluth still works
Bruno Marcos
Notes, Ref1, Ref2

Wednesday July 3

11:30 - 12:45
Discussion
Room 1403

Gyrokinetics fundamentals
Matt Kunz
Ref1, Ref2, Ref3 (Appendix C), Ref4, Ref5

15:30 - 16:15
Impromptu
Courtyard

Tensor Networks for Vlasov Poisson
Erika Ye
Ref1, Ref2, Ref3

Thursday July 4

July 4 Holiday

10:00 - 11:00
Impromptu
Munger

Hamiltonian Mean Field Model
Bruno Marcos

18:00 -
Munger

BBQ Potluck

Friday July 5

11:30 - 12:45
Discussion
Room 1403

Getting the Core of the Core Dynamics
Frank Van Den Bosch
Ref1, Ref2, Ref3, Ref4

15:30 - 16:15
Impromptu
Founder's

Eigenmodes, Landau poles and all that
Evgeny Polyachenko


WEEK 6

Monday July 8

10:30 - 11:30
Room 1403

Meet and greet

13:45 - 15:15
Seminars
Room 1403
Zoom link

1/ Heating, maxwellianization, and nonthermal tails in violently collisionless plasmas
Anatoly Spitkovsky
Ref1, Ref2
2/ Star clusters in phase space
Anna Lisa Varri
Summary: Ref1 -- Theoretical highlights: Ref1, Ref2, Ref3 -- Observational highlights: Ref1, Ref2, Ref3

18:30 -
Munger

BBQ

Tuesday July 9

11:30 - 12:45
Discussion
Room 1403

Generalized entropies: foundation or abyss?
Vladimir Zhdankin
Ref1, Ref2, Ref3, Ref4

15:30 - 16:15
Impromptu
Courtyard

Coupling fluid and kinetic methods in simulations
Nuno Loureiro

Wednesday July 10

14:15 - 15:15
Discussion
Room 1403

Gyrokinetics fundamentals -- continued
Matt Kunz

15:30 - 16:45
Discussion
Room 1403

Universal equilibria in (non-)violent relaxation
Robbie Ewart
Ref1, Ref2, Ref3, Ref4, Ref5

Thursday July 11

11:30 - 12:45
Discussion
Room 1403

Collisionless collision integrals and collisional collisionless equilibria
Alex Schekochihin
Ref1 (Chapter 11), Ref2, Ref3

15:30 - 16:15
Impromptu
Courtyard

Entropy in collisionless systems
Scott Tremaine
Ref1, Ref2

Friday July 12

11:30 - 12:45
Discussion
Room 1403

Kinetic theory of two-dimensional vortices and stellar systems
Pierre-Henri Chavanis
Ref1, Ref2, Ref3, Ref4

15:30 - 16:15
Impromptu
Courtyard

Is there a theory of intermediate amplitude phase space fluctuations?
Chris Hamilton


WEEK 7

Monday July 15

10:30 - 11:30
Room 1403

Meet and greet

13:45 - 15:15
Seminars
Room 1403
Zoom link

1/ Understanding electron heating in kinetic turbulence through phase-space dynamics
Muni Zhou
2/ Phase-space turbulence in cold dark matter
Barry Ginat
Ref1, Ref2, Ref3, Ref4

18:30 -
Munger

BBQ

Tuesday July 16

11:30 - 12:45
Discussion
Room 1403

At last, some use for the van Kampen modes: deriving the Balescu-Lenard equation
James Binney
Notes

15:30 - 16:15
Impromptu
Courtyard

Phase-space turbulence in Vlasov-Poisson plasmas
Michael Nastac
Ref1, Ref2, Ref3

Wednesday July 17

11:30 - 12:45
Discussion
Room 1403

Kinetic theory of cosmic ray transport: more than wave-particle interactions?
Philipp Kempski
Ref1, Ref2, Ref3, Ref4, Ref5

Thursday July 18

11:30 - 12:45
Discussion
Room 1403

Violent relaxation in the lab
Bruno Marcos
Ref1, Ref2, Ref3

15:30 - 16:15
Impromptu
Courtyard

Vector Resonant Relaxation and Closure Theory
Sofia Flores
Ref1, Ref2, Ref3 (section 6.2)

Friday July 19

11:30 - 12:45
Discussion
Room 1403

Metastable atmospheres and the statistical mechanics of their relaxation
David Hosking


WEEK 8

Monday July 22

10:30 - 11:30
Room 1403

Meet and greet

13:45 - 15:15
Seminars
Room 1403
Zoom link

1/ TBA
Patrick Reichherzer
2/ TBA
TBA

18:30 -
Munger

BBQ

Tuesday July 23

11:30 - 12:45
Discussion
Room 1403

Phase-space methods for modeling of linear and nonlinear waves in inhomogeneous media
Ilya Dodin

15:30 - 16:15
Impromptu
Courtyard

Nonlinear saturation by particle trapping in the HMF model
Shaunak Modak

Wednesday July 24

11:30 - 12:45
Discussion
Room 1403

Landau contours with finite endpoints
Tobias Heinemann

Thursday July 25

11:30 - 12:45
Discussion
Room 1403

Flip-flop field
Misha Medvedev

Friday July 26

11:30 - 12:45
Discussion
Room 1403

Summary
All