Feature/rydberg longer evolution time (#276)

set MAX_TIME to 20 us beyond which a warning message will be issued

src/braket/analog_hamiltonian_simulator/rydberg/constants.py

@@ -28,7 +28,7 @@
 BOUNDING_BOX_SIZE_X = 0.0001
 BOUNDING_BOX_SIZE_Y = 0.0001
 MIN_BLOCKADE_RADIUS = 1e-06
-MAX_TIME = 4e-6
+MAX_TIME = 20e-6
 MIN_DISTANCE = 4e-6
 
 # Constants for Rabi frequency amplitude

src/braket/analog_hamiltonian_simulator/rydberg/validators/times_series.py

@@ -52,7 +52,7 @@ def times_are_not_too_big(cls, values):
             warnings.warn(
                 f"Max time is {times[-1]} seconds which is bigger than the typical scale "
                 f"({capabilities.MAX_TIME} seconds). "
-                "The time points should  be specified in SI units."
+                "The time points should be specified in SI units."
             )
         return values
 

test/unit_tests/braket/analog_hamiltonian_simulator/test_validator/validators/test_time_series.py

@@ -70,14 +70,14 @@ def test_time_series_times_start_with_0(times, error_message, device_capabilitie
     "times, warning_message",
     [
         (
-            [0.0, 5.0e-6],
-            "Max time is 5e-06 seconds which is bigger than the typical scale (0.000004 seconds). "
-            "The time points should  be specified in SI units.",
+            [0.0, 25.0e-6],
+            "Max time is 2.5e-05 seconds which is bigger than the typical scale "
+            "(0.00002 seconds). The time points should be specified in SI units.",
         ),
         (
-            [0.0, 0.000005],
-            "Max time is 5e-06 seconds which is bigger than the typical scale (0.000004 seconds). "
-            "The time points should  be specified in SI units.",
+            [0.0, 0.000025],
+            "Max time is 2.5e-05 seconds which is bigger than the typical scale "
+            "(0.00002 seconds). The time points should be specified in SI units.",
         ),
     ],
 )