Experimental data for the manuscript titled Continuous time crystal coupled to a mechanical mode as a cavity-optomechanics-like platform
Abstract
This submission contains the minimal dataset required to reproduce the experimental findings related to the manuscript titled Continuous time crystal coupled to a mechanical mode as a cavity-optomechanics-like platform, associated with the DOI 10.1038/s41467-025-64673-8
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Desc ip ion o he da ase
Ti le: Expe imen al da a o he manusc ip i led Con inuous ime c ys al coupled o a mechanical
mode as a ca i y-op omechanics-like pla o m
Desc ip ion: This submission con ains he minimal da ase equi ed o ep oduce he expe imen al
indings ela ed o he manusc ip i led Con inuous ime c ys al coupled o a mechanical mode as a
ca i y-op omechanics-like pla o m, associa ed wi h he DOI: 10.1038/s41467-025-64673-8
The manusc ip desc ibes expe imen s in supe luid 3He-B, whe e a magnon Bose-Eins ein
condensa e ( om now e e ed o as he ime c ys al) was gene a ed in a 150-mm-long cylind ical
sample con aine wi h 5.85 mm inne diame e by pumping su icien amoun o magnons in o a
magne o- ex u al apping po en ial a empe a u es well below 1 mK. Simul aneously he con aine
was shaken ho izon ally o modi y he p ecession equency o he ime c ys al.
A mo e de ailed desc ip ion o he expe imen al se up, as well as he expe imen al p ocedu es and
me hods, can be ound in he ci ed manusc ip and e e ences wi hin – he pu pose o his
submission is o make he p esen ed da a a ailable o anyone in e es ed. Raw and addi ional da a
can be p o ided on a easonable eques om co esponding au ho .
The lis ed iles con ain he da a p esen ed in he manusc ip in human- eadable comma-sepa a ed
(.cs ) o ma . Addi ional ele an in o ma ion is p o ided below he gene al desc ip ion o each ile.
This submission includes he iles lis ed below.
Fig1b.cs con ains he da a shown in Figu e 1b:
•The i s column con ains he ime elapsed om beginning o he expe imen . The exci a ion
pulse occu s some 58 ms a e he s a . Uni s: seconds.
•The second column con ains he ol age induced on he pickup coils a e ampli ica ion.
Uni s: Vol s (Scale: a bi a y)
Fig1c.cs con ains he da a shown in Figu e 1c (based on aw da a om Fig1b.cs ):
•The i s ow con ains he ime elapsed om beginning o he expe imen . The exci a ion
pulse occu s some 58 ms a e he s a . Uni s: seconds.
•The i s column con ains he equency shi om he la e- ime equency o he ime
c ys al. Uni s: Hz.
•The emaining ows and columns con ain he ex ac ed as Fou ie ans o ma ion (FFT)
ampli ude o he aw signal a gi en ime/ equency, as gi en by he co esponding
ow/column. The inse co esponds o he column, whe e Time = 40 s. Uni s: A bi a y.
Fig2a_53mHz.cs and Fig2a_158mHz con ain da a om he panel Fig. 2a, whe e he gi en
equency co esponds o he eading o he qua z uning o k gi en in he legend.
•The i s column con ains he mechanical d i e equency. Uni s: Hz.
•The second column con ains he ex ac ed modula ion ampli ude G (see manusc ip o
de ails). Uni s: Hz.
Fig2b_84mHz.cs and Fig2b_310mHz con ain da a om he panel Fig. 2b, whe e he gi en
equency co esponds o he eading o he qua z uning o k gi en in he legend.
•The i s column con ains he mechanical d i e equency. Uni s: Hz.
•The second column con ains he ex ac ed modula ion ampli ude G (see manusc ip o
de ails). Uni s: Hz.
Files Fig2c_BulkCTC.cs and Fig2c_Su aceCTC.cs con ain da a om Fig. 2c. The ile name
indica es he posi ion o he ime c ys al (in bulk liquid s close o he su ace).
•The i s column con ains he he mome e o k eading. Uni s: mHz.
•The second column con ains he ex ac ed su ace wa e esonance wid h. Uni s: Hz.
Files Fig3abc_BulkCTC.cs and Fig3abc_Su aceCTC.cs con ain da a om Figs. 3, a,b, and c.
The ile name indica es he posi ion o he ime c ys al (in bulk liquid s close o he su ace).
•The i s column con ains he squa e o he ex ac ed maximum il angle θmax (see
manusc ip o de ini ion). Uni s: deg².
•The second column con ains he ex ac ed modula ion ampli ude G (see manusc ip o
de ails). Uni s: Hz.
•The hi d column con ains he ex ac ed equency shi o he p ecession equency o he
ime c ys al ela i e o i s alue a ze o mechanical o cing. Uni s: Hz.
•The ou h column con ains he ex ac ed asymme y ϴ×θmax (see manusc ip o de ini ion).
Uni s: deg.
Files Fig3d_BulkCTC.cs and Fig3d_Su aceCTC.cs con ain da a om Fig. 3d. The ile name
indica es he posi ion o he ime c ys al (in bulk liquid s close o he su ace). No e: Fo each se
o da a he magne ic ield p o ile was sligh ly di e en (di e en minimum coil cu en ), and o
his eason he no- il equency, which was used as a e e ence, is always se o ze o o sub ac he
e ec o he magne ic ield o he p ecession equency.
•The i s column con ains he ex ac ed s a ic il angles. Uni s: deg.
•The o he columns con ain he indi idual measu ed equency shi s o he ime c ys als la e-
ime p ecession equency ela i e o he ze o il alue o he co esponding il angles.
Uni s: Hz.
Fig3e.cs con ains he da a shown in Figu e 3e (based on aw da a ela ed o
Fig3abc_BulkCTC.cs ):
•The i s ow con ains he equency shi om he cen al ime c ys al p ecession equency.
Uni s: Hz.
•The i s column con ains he he squa e o he ex ac ed maximum il angle θmax (see
manusc ip o de ini ion). Uni s: deg².
•The emaining ows and columns con ain he ex ac ed as Fou ie ans o ma ion (FFT)
ampli ude o he aw signal a la e imes, and o gi en equency/maximum il angle, as
gi en by he co esponding ow/column. The inse co esponds o da a om he 46 h ow,
whe e θmax = 1.52 deg. Uni s: A bi a y.